Coffee Science

Why is my Puck wet? A coffee puck can be wet when the amount of coffee grounds in the scoop isn’t enough. You can also get a sense of this when you don’t notice resistance upon tamping your espresso. If you want to decrease your espresso’s potency, you can use a coarser grind or a … Read more

Why does my espresso come out too fast? If the shot is coming out too fast, grind finer the coarser the coffee the faster the flow. If your shot is too strong, it could be a function of either too large of a dose, or too little water. Also, double check your brew pressure. Read … Read more

What is sweetness in espresso? Sweetness is a mild, smooth coffee flavor characteristic/taste sensation (a basic taste descriptor) without any harsh tastes (e.g., Rio flavor) or flavor defects/off-flavors. No coffee will ever match added sugar, but you can be pleasantly surprised by the natural sweetness of some coffees without adding any sugar. Read more on … Read more

Why is Starbucks coffee so bitter? Starbuck coffee is so bitter because they tend to use dark roast coffee beans that have a bitter flavor. Dark roast coffee beans are easier to get a consistent flavor than light roast coffee beans, which is a big reason why Starbucks prefers them. Read more on coolcoffeecats.com Although … Read more

What is under extraction in coffee? What Is Under-Extraction? Simply, under extraction occurs when we don’t ‘pull’ enough flavour out of the ground coffee. It’s akin to under baking a cake. We haven’t given the water enough ‘contact time’ to extract the oils from the coffee. Under Extracted Coffee on the left has a straw … Read more