Chocolate Homemade - Homemade Chocolate Recipe 1 cup Icing Sugar 1 1/2 cups Powdered Milk 2 tablespoons cocoa 1/2 lb Copha Sift dry ingredients. Melt cohpa (Do not boil). Stir into dry ingredients, pour into tray (I use a swiss roll or lamington tray). As it hardens, draw lines about 1' square's over the mixture. Put in fridge - then break up when hard. Yummo