1 square of baking chocolate equals how much cocoa?
Chocolate, Unsweetened: 3 level tablespoons unsweetened cocoa and 1 tablespoon butter, margarine or shortening for every 1-ounce unsweetened baking chocolate. 3 level tablespoons Dutch-process cocoa plus 1 tablespoon shortening, butter, or oil for every 1-ounce unsweetened baking chocolate.