Price per pound. Available in 3/4 lb size. Dark cocoa powder is darker in color, and richer in taste than the light cocoa powder. You will definitely want to use dark cocoa powder in recipes, if you have chocolate lovers in your house! Bold, rich, and full of flavour, this cocoa powder is hard to beat! When a recipe calls for melted unsweetened chocolate, you can use cocoa powder as a substitute. Replace every 1 ounce of unsweetened chocolate with 3 level tablespoons of unsweetened cocoa powder plus 1 tablespoon of fat, such as melted butter, margarine, or oil.