Caffeine – it’s why many of us reach for coffee. But how much caffeine are you actually getting in different types of coffee drinks? There are a lot of myths out there (for example, “espresso has more caffeine than drip coffee”). Let’s break down the caffeine content differences between espresso, drip coffee, and cold brew, […]

Coffee is over 98% water, so it’s no surprise that the quality of your brewing water can make or break the taste of your coffee. You might meticulously choose great beans and a perfect brew recipe, but if the water is off, your coffee can be, too. Let’s explore how water composition affects extraction and […]

One of the most iconic features of a well-pulled espresso shot is the thick, tan-colored crema that sits on top. But what exactly is crema, how is it formed, and what does it tell us about the espresso? Let’s dive into the science and also address whether crema = good espresso or if it’s mostly […]

Brewing great coffee is all about extraction – pulling flavors out of the ground beans into water. To truly master your brew, it helps to know what’s happening during extraction and how different variables (grind size, water temperature, brew time, agitation, etc.) change the taste. Let’s break down the science in approachable terms. What is […]