coffee beanWe all know that we shouldn't use a oily coffee bean on a superautomatic espresso machine because it will eventually clog it up, which can be costly to fix.

But the question still remains, what does an oily coffee bean look like? Where in the proverbial sand is the line drawn?

Well you are in luck because Gail is here to answer your questions! She took a few different beans from a few different roasters and compared them based just on their looks.

Be sure to check out the video below! Do you have a question for Gail? Ask her in the comment section on YouTube!