Searching for a solution to the issue: What’s the layer on the top of coffee? In this article, we’ve collected for you personally probably the most accurate and comprehensive information which will fully answer the issue: What’s the layer on the top of coffee?
This bubbly layer is the effect of a chemical reaction frequently known as the "blossom.". Everything begins with the roasting process. As espresso beans are roasted, gases become trapped inside—CO2 particularly.