Unraveling the Mystery of Silent First Crack in Coffee Roasting
Some coffee roasters are puzzled by a phenomenon where they can't hear a prominent first crack during the roasting process, despite indications of medium-dark roast. This issue seems to be particularly prevalent with certain coffees like Colombian, Guatemalan Huehue, and Natural Brazilian. Let's dive into this intriguing conundrum. First crack, a significant event in the coffee roasting process, is characterized by an audible popping sound as moisture within the beans begins to evaporate. The first crack usually occurs around 350-400°F (176-204°C) and marks the transition from the drying phase to the development phase. However, it appears that with certain coffees,…
