Chocolate Royal Icing By manatee ALL RIGHTS RESERVED © 2024 Cake Central Printed From https://www.cakecentral.com/recipe/5813/chocolate-royal-icing 2024-04-27 For best color and flavor, let sit over night before using. Chocolate Royal Icing Ingredients 3 1/2 c. powdered sugar2 egg whites1/4 c. cocoa powder Instructions Combine powdered sugar and egg whites till smooth. Add cocoa powder. Transfer to clean plastic container and cover with plastic wrap.