The Drip News

Tag: Beans

  • What Is a Coffee Cherry?

    A coffee cherry is the fruit that grows on coffee trees. It looks roughly like a small red cherry, hence the name. The “bean” we eventually grind and brew is the seed inside the cherry.

    What it looks like

    Coffee cherries start green and turn yellow, then red, then deep red-purple as they ripen. A few rare varieties ripen yellow instead of red. A ripe cherry is about the size of a small grape, with a thin skin, sticky pulp, and two seeds nestled together inside.

    Inside the cherry

    Each cherry typically contains two seeds (the green coffee beans we recognize). The seeds are separated by a thin layer called the silver skin. Around each seed is a tougher protective layer called the parchment. Around the parchment is the sticky mucilage, then the pulp, then the outer skin.

    Occasionally a cherry contains only one round seed instead of two flat ones. This is called a peaberry, and some farms separate and sell peaberries as a distinct lot.

    What happens to the cherry

    Processing involves removing some or all of the layers around the seed. Washed processing removes the skin, pulp, and mucilage before drying. Natural processing dries the whole cherry intact, then removes everything afterward. Honey processing falls in between.

    Cascara: drinking the fruit

    The dried cherry skin and pulp, called cascara (Spanish for “husk”), can be brewed as a tea-like drink. It tastes of dried fruit, hibiscus, and faintly of cherry. Cascara had a moment of popularity in third-wave cafes around 2015 and remains available from some specialty roasters.

    Why it matters to drinkers

    Knowing what the cherry is helps you understand processing terminology. When you read that a coffee was “depulped and dry-fermented,” you know that means the skin and most of the pulp were removed, leaving the parchment-coated bean to ferment without water. The vocabulary becomes useful instead of arbitrary.

  • Arabica vs Robusta: What Is the Difference?

    Arabica and robusta are the two coffee species that dominate global production. They are different plants, different beans, and different cups, with different histories and different roles in the modern coffee industry.

    Arabica (Coffea arabica)

    The original specialty species. Arabica accounts for about 60-70% of global production and dominates specialty coffee. The plant is delicate, requires high altitudes (above roughly 1,000 meters), and is vulnerable to pests, disease, and climate stress.

    Cup character: more complex, more acidic, more aromatic, often sweeter. Lower caffeine content (around 1.2% by weight). Most of what you taste in good coffee is Arabica.

    Robusta (Coffea canephora)

    The commodity workhorse. Robusta accounts for the remaining 30-40% of production and dominates instant coffee, supermarket blends, and traditional Italian espresso. The plant is hardier, grows at lower altitudes, and produces higher yields per acre.

    Cup character: heavier body, more bitter, less aromatic complexity. Distinctively earthy, sometimes rubber or burnt-toast notes. Higher caffeine (around 2.2%, almost double Arabica). Produces more crema in espresso, which is why it shows up in many traditional espresso blends.

    The robusta renaissance

    For decades, specialty coffee dismissed robusta entirely. That has been changing. Premium-grade robustas from Uganda, India, and other origins are showing up in respected espresso blends. The species can produce genuinely good coffee when grown carefully and processed with attention.

    This is partly economic (climate change is making it harder to grow Arabica reliably, increasing pressure to find robusta alternatives) and partly stylistic (some roasters appreciate what high-quality robusta brings to a blend).

    How to spot the difference in a bag

    Specialty bags will almost always say “100% Arabica.” If a bag does not specify, it likely contains some robusta. Cheap supermarket coffee is usually a robusta-Arabica blend. Premium robusta blends will state their composition proudly because the producer has chosen the robusta intentionally.

  • Why Are Some Coffees More Acidic Than Others?

    When coffee professionals talk about acidity, they do not mean the pH of your cup. They mean a quality of brightness and liveliness in the flavor, similar to the snap of a green apple or the zing of a lemon. Some coffees have a lot of it, some have very little, and the reasons span the entire production chain.

    Origin and altitude

    Higher altitude growing regions tend to produce more acidic coffees. The cooler temperatures slow cherry development, allowing more complex acid compounds to form in the bean. Coffees from Ethiopia, Kenya, and Colombia (often grown above 1,500 meters) tend to be brighter and more acidic than coffees from Brazil or Sumatra (often grown lower).

    Processing method

    Washed coffees emphasize acidity. Stripping away the fruit before drying lets the bean’s intrinsic compounds dominate. Natural and honey processed coffees, where the bean stays in contact with sugary fruit during drying, develop more body and sweetness, often masking some of the acidity.

    Roast level

    Lighter roasts preserve acidity. Darker roasts break down the acidic compounds during the longer roasting time, leaving a heavier, more bitter cup. If you want to taste acidity, drink lighter roasts. If you want to mute it, drink darker.

    Brewing method

    Pour-over and AeroPress with paper filters highlight acidity. French press and full-immersion methods produce a heavier-bodied cup that mutes acidity by comparison. Espresso concentrates everything, including acidity, but balances it with body.

    Is acidity good or bad?

    Neither, on its own. Bright, well-integrated acidity is one of the joys of specialty coffee. Sour, unpleasant acidity (often from underextraction) is a brewing problem to fix. The acidity of a Kenyan SL28 should taste like blackcurrant or grapefruit, not battery acid.

  • What Is Honey Processed Coffee?

    Honey processed coffee, also called pulped natural, is a middle path between washed and natural processing. The bean’s outer skin is removed, but some of the sticky fruit layer (mucilage) is left attached when the beans are dried.

    Why “honey”

    The name has nothing to do with bees. It comes from the sticky, honey-like texture of the partially fruited beans during drying. Producers grade honey processed coffees by how much mucilage remains: white, yellow, red, and black honey, in increasing order of fruit retention and increasing intensity of effect on the cup.

    How it tastes

    Honey processed coffees fall between the cleanness of washed and the fruit intensity of naturals. They have more body and sweetness than a washed coffee from the same farm, but more clarity and brightness than a natural. Stone fruit notes like apricot, peach, and red fruit are common.

    White and yellow honey lean toward washed; red and black honey lean toward natural. Each has its own market.

    Where you find it

    Costa Rica popularized the modern honey process and remains the leading origin for it. Brazil, El Salvador, and Honduras also produce notable honey-processed lots. The technique has spread because it works in regions with limited water (washed processing uses substantial water) but where producers want more control than full natural drying offers.

    Why processing matters at all

    Processing is the second most important variable in green coffee character, after the variety and growing conditions. The same coffee, processed three ways, will produce three distinctly different cups. Honey gives producers a controllable lever for designing the final flavor profile they want.

  • Light vs Medium vs Dark Roast: What Is the Difference?

    The roast level of a coffee determines how much of the bean’s natural flavor versus the flavor of the roasting process itself ends up in your cup. Lighter roasts highlight the coffee. Darker roasts mask it under roast-derived flavors.

    Light roast

    Light roasts (sometimes called Cinnamon, City, or Light City) stop just after the first crack, when the beans first audibly pop during roasting. The beans are light brown, dry on the surface, and dense.

    Flavor: bright, acidic, fruit-forward. Light roasts let the bean’s variety and origin character come through clearly. A light-roasted Ethiopian washed will taste of jasmine and citrus. Often higher in caffeine per bean than darker roasts.

    Medium roast

    Medium roasts (City, Full City) go a bit further, into or just past the second crack zone. The beans are medium brown, slightly oily on the surface in some cases, with more developed body.

    Flavor: balanced. Less of the brightness of light roasts, more sweetness and roundness. Origin character is still recognizable but mellower. This is the sweet spot for many drinkers and the most common roast level for grocery specialty coffee.

    Dark roast

    Dark roasts (Vienna, French, Italian) push past the second crack and develop visible oils on the bean surface. The beans are dark brown to almost black.

    Flavor: bold, smoky, sometimes bitter. The origin character largely disappears under the roast flavors of caramelization, burned sugar, and char. Dark roasts have less perceptible acidity and a heavier body. Per gram, slightly less caffeine than light roasts (the longer roast burns some off).

    Which roast for which method

    Light roasts shine in pour-over and other manual methods that highlight clarity. Medium roasts are versatile across all methods. Dark roasts are popular in espresso (for traditional Italian-style espresso) and in milk drinks, where the bold flavor cuts through the milk.

  • What Is Single-Origin Coffee?

    Single-origin coffee comes from one specific source, as opposed to a blend of beans from multiple places. The term is intentionally flexible, and what counts as a single origin depends on how granular the labeling gets.

    The levels of single origin

    Country level: The most basic. A bag labeled “Ethiopia” or “Brazil” tells you the country but nothing about which region or farm.

    Region level: “Yirgacheffe” or “Antigua” narrows down to a coffee-growing region within a country.

    Farm or cooperative level: “Konga washing station” or “Finca El Injerto” identifies a specific producer.

    Lot level: The most granular. A specific harvest from a specific section of a specific farm. These are usually competition coffees or small-batch microlots.

    Why drinkers care

    Single-origin coffees express the character of where they came from. The soil, climate, altitude, processing methods, and varieties of a specific place create flavor profiles you cannot replicate by blending. A washed Yirgacheffe tastes like a washed Yirgacheffe; no blend can fake it.

    Tracing coffee to its source also supports better farmer compensation. When buyers know exactly which producer grew a coffee, they can pay direct premium prices that bypass commodity pricing.

    Single origin is not always better

    A poorly grown single-origin from a mediocre lot is worse than a thoughtfully built blend. The label tells you about traceability, not quality. Look for both: a single origin from a respected producer, in a recent harvest, roasted to highlight rather than mask the coffee’s character.

    The blend case

    Blends still have their place. Most espresso shots in cafes are blends because blending lets a roaster build a consistent year-round profile that single origins, with their seasonal variation, cannot deliver.

  • Should You Store Coffee in the Freezer?

    The freezer can extend coffee’s shelf life from weeks to months, but only if you store it properly. Done wrong, the freezer is one of the worst places for your beans.

    The right way to freeze coffee

    Portion the beans into single-use airtight bags or jars before freezing. The amount you would use in 5-7 days per bag. Squeeze out all the air. Seal tightly. Label with the roast date. Freeze.

    When you want to use a bag, take it out, let it come to room temperature for 30 minutes (still sealed), then open. Brew through that bag normally over the next week. Never refreeze a bag once thawed.

    Why this matters

    The enemy of coffee is moisture. Every time you take coffee out of the freezer to grind a single dose, condensation forms on the cold beans. That moisture degrades the beans rapidly. By freezing in single-use portions, each portion is only thawed once.

    What freezing preserves

    Freezing slows down the chemical reactions that cause coffee to go stale. Aromatic compounds remain volatile but are far less reactive at freezer temperatures. Coffee frozen properly at one week post-roast can taste nearly as fresh at two months as it did at week one.

    What freezing does not do

    Freezing cannot bring stale coffee back. If your beans were already six weeks old when you froze them, you are preserving stale coffee. Freeze fresh, peak-window beans only.

    The simpler alternative

    If you drink coffee every day, just buy smaller bags more frequently. A 250g bag bought weekly outperforms a 1kg bag stored for a month, frozen or not.

  • What Is Anaerobic Fermentation in Coffee?

    Anaerobic fermentation is a coffee processing technique where cherries (or de-pulped beans) ferment in sealed, oxygen-free containers. Without oxygen, different microorganisms become active than in traditional open-air fermentation, producing distinctive flavor compounds.

    How it works

    Coffee cherries are placed in sealed plastic or stainless steel tanks. The remaining oxygen is consumed by initial microbial activity. From that point on, lactic acid bacteria and other anaerobic microbes drive the fermentation, which can last 24 to 200 hours depending on the producer’s recipe.

    Variations include carbonic maceration (whole cherries fermenting whole), thermal shock (cycles of hot and cold water), and double anaerobic (two stages of sealed fermentation). Each produces a different cup.

    What it tastes like

    Intensely fruity, often jammy or wine-like. Notes of strawberry, raspberry, tropical fruit, and sometimes spice or alcohol. The flavors are amplified versions of what the green coffee had naturally; in some cases they push past the bean’s natural character into something almost unrecognizable as coffee.

    Why producers do it

    Anaerobic processing commands a price premium and helps farms differentiate in a crowded specialty market. A well-executed anaerobic lot can sell for several times the price of a washed version of the same coffee.

    The honest take

    Anaerobic coffees are polarizing. Some drinkers love the wild, fruit-forward profile. Others find it overpowering and unrelated to what they want from coffee. The technique is also still evolving, and consistency varies between producers. Try one with low expectations and see where you land.

  • How Long Do Coffee Beans Stay Fresh?

    Roasted coffee beans are at their best between roughly one and four weeks after roasting. Before one week, they are off-gassing too much CO2 to brew evenly. After four to six weeks, the volatile aromatic compounds have started to fade and the cup turns flat.

    The freshness timeline

    Days 0-3 post-roast: Too fresh for most brewing methods. The CO2 produces excessive bloom and uneven extraction.

    Days 4-7: Espresso starts settling in. Pour-over still bloomy.

    Days 7-21: The peak window. Coffee tastes the way the roaster intended.

    Days 21-42: Still good, slowly fading. Flavor notes get less distinct.

    Day 42 onward: Stale territory. The coffee is drinkable but the brightness, sweetness, and complexity are gone.

    Whole bean vs. ground

    Pre-ground coffee loses freshness within hours of grinding, not weeks. The increased surface area exposes the coffee to oxygen and accelerates flavor degradation. Even the best beans, if pre-ground at the roastery and shipped, will be noticeably stale by the time you open the bag.

    Storage matters

    Keep beans in an airtight container at room temperature, away from light, heat, and moisture. The original bag with a one-way valve is fine if it reseals well. A purpose-built bean canister with a CO2-release valve is better for serious users.

    Do not refrigerate. The temperature swings every time you open the door cause condensation, which is the worst thing for coffee. The freezer can work for long-term storage if you portion beans into sealed bags and never refreeze, but for normal weekly drinking, room temperature is best.

  • What Does Washed Coffee Mean?

    Washed (also called wet-processed) coffee refers to a method where the outer fruit, called the cherry, is removed from the bean before drying. It is one of the three main processing methods, alongside natural and honey.

    How the process works

    After picking, ripe cherries are pulped to remove the outer skin and most of the pulp. The remaining beans, still coated in a sticky layer called mucilage, ferment in tanks for 12 to 72 hours. Microorganisms break down the mucilage. The beans are then washed clean with water and laid out on patios or raised beds to dry.

    The whole process takes one to two weeks, much shorter than natural processing.

    What washed coffee tastes like

    Cleaner, brighter, more transparent. Washed coffees emphasize the bean’s intrinsic character: the variety, the soil, the elevation. They tend to have higher perceived acidity, lighter body, and clearer flavor notes. A washed Ethiopian Yirgacheffe will taste of jasmine and citrus with no trace of fermentation.

    Where it dominates

    Most coffees from Latin America (Colombia, Costa Rica, Guatemala, Kenya, Rwanda) are washed. The infrastructure for wet processing exists at scale, and the climate supports it.

    Why washed is the standard

    Washed coffees are easier to evaluate, more consistent, and more predictable than naturals. They have been the specialty industry’s reference standard for decades. If a green buyer is sampling a new origin, washed lots are usually the baseline before any experimental processing is considered.

  • Ethiopian Coffee Regions: A Beginner’s Guide to Yirgacheffe, Sidamo, and Beyond

    Ethiopian Coffee Regions: A Beginner’s Guide to Yirgacheffe, Sidamo, and Beyond

    If you’ve ever had a coffee that tasted unmistakably of blueberries, jasmine, or peach, there’s a strong chance it came from Ethiopia. The country’s combination of indigenous heirloom varieties, high altitudes, and processing traditions produces flavor profiles that no other origin replicates. Once you’ve tasted a great Ethiopian coffee, the rest of the coffee world opens up in a different way.

    Why Ethiopia tastes like Ethiopia

    Three things give Ethiopian coffee its character. First, the genetics: Ethiopia is the original wild population of Coffea arabica, and its farms grow thousands of distinct heirloom varieties (collectively called Ethiopian Heirloom or just Heirloom on bags). Second, altitude: most premium Ethiopian coffee grows between 1,800 and 2,200 meters, which slows the cherry’s development and concentrates flavor compounds. Third, processing tradition: Ethiopia popularized natural and washed processing in their modern forms, and continues to push fermentation experiments forward.

    The result is a coffee culture where bag labels often read more like wine labels: not just country of origin, but specific zone, washing station, and elevation.

    The major regions you’ll see on bags

    Yirgacheffe

    The most famous Ethiopian region, and rightly so. Yirgacheffe (sometimes spelled Yirgachefe) is technically a town within the Sidamo zone, but it has become its own appellation because the coffees are so distinctive. Washed Yirgacheffes are the textbook bright, floral, citrus-and-jasmine cup that introduced most modern coffee drinkers to what light-roast specialty could be. Naturals from Yirgacheffe lean heavily into berry: blueberry, strawberry, sometimes a fermented fruity note that feels almost wine-like.

    If you’re starting with Ethiopian coffee, start here. A washed Yirgacheffe brewed as a pour-over is the cleanest possible introduction.

    Sidamo (now officially Sidama)

    The broader region that contains Yirgacheffe. Sidamo coffees outside the Yirgacheffe zone tend to be slightly heavier-bodied, with similar floral notes but more apricot and stone fruit than the bright citrus of Yirgacheffe. Excellent middle-ground coffees, often more affordable than Yirgacheffe, and a great way to develop your palate for Ethiopian profiles.

    Guji

    Just south of Yirgacheffe, Guji has been the breakout region of the last decade. The coffees are intensely fruity, often with a wilder fermentation profile than Yirgacheffe, and the natural processed lots can be extraordinary. Guji has become particularly associated with experimental and anaerobic naturals, where flavors push into rum, fruit punch, and spice territory.

    Harrar

    The historic eastern Ethiopian region, dry-processed by tradition. Harrar coffees are heavier, more wine-like, with a distinctive blueberry note that has nothing to do with modern fermentation experiments. The downside: Harrar production has struggled in recent years with quality consistency, and finding a great Harrar bag requires more searching. When you find one, it’s a window into how Ethiopian coffee tasted before the modern washed-coffee era.

    Limu

    Western Ethiopia, less famous internationally but very respected within the industry. Limu coffees are clean, balanced, with a refined sweetness and softer acidity than Yirgacheffe. Often used in espresso blends because they integrate well with other origins.

    Jimma

    Another western region. Jimma is the largest producing area in Ethiopia by volume but historically wasn’t known for specialty quality. That’s been changing as washing stations have improved infrastructure. A well-prepared Jimma is a softer, more delicate Ethiopian profile that rewards careful brewing.

    Washed vs. natural: the choice that shapes the cup

    Ethiopian coffees come in both washed and natural processing, and the same coffee processed two ways tastes like two different coffees.

    Washed (or wet-processed) Ethiopians are clean, bright, floral, with crisp acidity. The fruit comes through as citrus and stone fruit. Tea-like body. Excellent as pour-over.

    Natural (or dry-processed) Ethiopians are intensely fruity, often jammy. Strawberry, blueberry, sometimes fermented or wine notes. Heavier body. Can be fantastic as both pour-over and espresso.

    Try one of each, ideally from the same region, in the same week. The difference is the single best lesson in how processing shapes flavor.

    How to brew Ethiopian coffees

    Ethiopian coffees, especially washed ones, are typically roasted lighter than other origins to preserve their delicate flavors. They reward brewing methods that highlight clarity:

    • Pour-over (V60, Kalita, Origami) is the home for these coffees. Standard 1:16 ratio, medium-coarse grind, 2:45-3:15 brew time.
    • AeroPress works well, especially for naturals where you want a slightly heavier extraction.
    • Espresso is divisive. Light-roasted Ethiopians can be brilliant as espresso but require careful dialing in. Naturals tend to work better than washed for espresso because their fruit-forward profile holds up to the concentration.
    • Cold brew is generally a waste. The slow cold extraction smooths out the very characteristics that make Ethiopian coffee distinctive.

    What to look for on the bag

    A well-labeled Ethiopian coffee will tell you most of what you need to know:

    • Region: Yirgacheffe, Guji, Sidama, etc.
    • Washing station or producer: for example, Konga, Wenago, Banko Gotiti.
    • Process: washed, natural, anaerobic natural.
    • Variety: usually listed as Heirloom, sometimes a specific cultivar like 74110 or 74112.
    • Elevation: 1,800m+ is what you want for top-tier Ethiopian.
    • Harvest year: Ethiopia harvests October to January, so a 2026 bag should be a 2025-26 harvest.

    Ethiopian coffee is the gateway to understanding what specialty coffee can do at its best. Once you’ve learned to taste the difference between a Yirgacheffe washed and a Guji natural, the rest of the coffee map becomes navigable. Start with a washed Yirgacheffe as a pour-over. Buy a different Ethiopian every two weeks for two months. By the end, you’ll have a vocabulary for coffee that you’ll use for the rest of your drinking life.