Here is a goal: How to make Red Eye gravy at home.

Which way makes more sense to accomplish this goal?

pick from the following. A. Mix Beef fat (ideally from steak) 1/4 cup, 1/4 cup coffee, 2 tbsp. corn starch, stir over medium heat.; B. Mix Beef fat (ideally from steak) 1/4 cup, 1/4 cup coffee, 2 tbsp. corn starch, in coffee filter stir over medium heat.;
A.