S. Turer

Phenolic coffee tastes like band-aids, smoke, or a hospital waiting room, and it has nothing to do with the beans being bad. It is a specific chemical contamination caused by chlorophenol compounds formed when chlorine in water reacts with naturally occurring phenols in coffee at brewing temperature. This guide covers what phenolic compounds are, why […]

Quaker beans are underdeveloped coffee beans that roast lighter than surrounding beans due to low sugar content, and they ruin flavor in every brew method they end up in. A single quaker in a shot of espresso is enough to introduce a peanut-like, papery, or astringent note that no amount of grind adjustment will fix.

Tasting coffee and drinking coffee are two different things. Most people drink coffee without ever noticing what is actually in the cup. Learning to taste coffee means training your palate to identify acidity, sweetness, body, and finish with the same precision a trained Q Grader uses during professional evaluation. This guide covers every element of

Coffee tasting notes are the specific flavor descriptors used to describe what you actually taste in a cup, ranging from fruit and floral to chocolate, nut, and spice. A bag labeled “blueberry, dark chocolate, and brown sugar” is not marketing guesswork — those descriptors come from a structured sensory evaluation called cupping, where trained tasters

The coffee flavor wheel is not just a visual aid for professional tasters. It is a practical diagnostic tool that tells you exactly why your cup tastes the way it does and, more importantly, how to change it. The SCA Coffee Taster’s Flavor Wheel maps over 110 flavor descriptors across three concentric rings, from broad

A cupping protocol is a standardized sensory evaluation method used to assess coffee quality, flavor, and consistency. The Specialty Coffee Association (SCA) defines the official cupping protocol with exact parameters: 8.25 grams of whole bean coffee per 150ml of water, ground to a particle size that passes 70-75% through a US Standard 20-mesh sieve, brewed

Coffee cupping is the professional sensory evaluation method used by Q Graders, specialty roasters, and baristas to assess coffee quality, identify flavor defects, and compare beans side by side under controlled conditions. The Specialty Coffee Association (SCA) cupping protocol defines every variable, from grind size to water temperature to steep time, so that results are

Coffee cupping is the standardized method professional tasters use to evaluate coffee quality, flavor, and consistency across origins, roast levels, and processing methods. The Specialty Coffee Association (SCA) cupping protocol defines every variable, from grind size to water temperature to slurp technique, so that results are comparable across any table in the world. This guide

The Maillard reaction is responsible for most of what makes roasted coffee smell and taste like coffee. Without it, your beans would taste flat, grassy, and unrecognizable. It is a cascade of chemical reactions between amino acids and reducing sugars that begins around 280°F (138°C) and accelerates dramatically as the roast progresses, producing hundreds of

Coffee tastes the way it does because of chemistry, not chance. More than 1,000 individual volatile and non-volatile compounds have been identified in roasted coffee, and the interaction between just a handful of them determines whether your cup tastes bright and fruity, rich and chocolatey, or flat and bitter. This guide covers every major flavor