Choosing Coffee Beans For Your Coffee Machine The kind of beans you choose to use in your machine will determine the quality of your beverage. Select beans that are freshly roasted and have a balanced flavor profile. The size of the grind is important. Smaller grinds take longer to extract. https://telegra.ph/15-Bizarre-Hobbies-Thatll-Make-You-Better-At-Coffee-Machine-Bean-To-Cup-03-21