Roasting your own coffee beans is far easier than making wine at home. You can achieve excellent results.
There are many varieties of roasters available, but it can be done in a popcorn maker or frying pan. However, you must assure that your equipment is spotlessly clean. There is nothing worse than coffee infused butter or fish oil.
Get good quality beans. Darker roasts have a lot less caffeine than the lighter ones, but they are not as acidic.
Heat your beans between 223C to 262C, and be fully prepared to have plenty of smoke. Ventilate your room using a fan or your stoves exhaust. There should be no real odour, but you may also want to open your windows wide and make sure no one else is home.
Add your beans, espresso maybe and turn the heat up. Dont forget to disable any smoke detectors.
Some roasters have thermometers, but having a portable one is best for using a frying pan. Try a candy thermometer.
As the roasting progresses, your beans will start to turn a yellow colour and then go brown. How dark they get is your choice.
As your beans get hotter, they release water and oil. This will cause pressure within the...