Drip Filter Coffee The drip filter method is a popular way to extract the aromas and flavors of a dish using the use of a paper filter or a metal filter. It is easy to use and has a high level of control. The first step is to boil water. https://www-coffeee-uk75708.blogcudinti.com/30414394/a-an-overview-of-drip-coffee-machines-from-start-to-finish