In this funny little experiment, Tom ground and Brewed Coffee refers to all coffee preparations produced by adding non-pressurized water to coffee grounds. Contrasted with espresso coffee, which is produced under pressure, brewed coffee is primarily an extraction, and contains a lower amount at various stages from green to a City+ roast is an ideal roast level that occurs roughly between 425 and 435 degrees Fahrenheit in many coffee roasters with a responsive bean probe where First Crack starts in the 395 to 405 degree roast. Check out the video below and click here for the photo gallery. We all had a chance to taste these and it is funny how one sample before First crack in one of two distinct heat-induced pyrolytic reactions in coffee. It is distinguished by a cracking or popping sound in the coffee, and occurs between 390 and 410 degrees Fahrenheit in most coffee tasted a lot like a light roast commercial coffee. Awful, but familiar. The straight Green coffee refers to the processed seed of the coffee tree fruit. Coffee is a flowering shrub that produces fruit. The seeds of the fruit are processed, roasted, ground and prepared as an infusion.: Coffee is just headache producing. And unless you want to seriously compromise your grinder, I would not recommend grinding green coffee at home.