Choosing Coffee Beans For Your Coffee Machine The beans you choose to use in your machine will determine the quality of your brew. Choose beans that are fresh and roasted with a balanced flavor profile. The size of the grind is crucial too. Smaller grinds are more efficient at extracting. https://fuchsia-azalea-fx20lg.mystrikingly.com/blog/15-things-you-ve-never-known-about-coffee-machines-bean