How to Frost a Cake
If the cake is very soft and crumbly, apply a “crumb coating” to prevent cake crumbs from spreading into the frosting. Spread a thin layer of frosting over the entire cake and let stand 5 to 10 min. to dry. Spread remaining frosting over cake.
Cooking Know-How
Make sure cakes are completely cooled before frosting. A warm cake can cause the frosting to soften or melt.