Hard Frosting For Cakes. Butter and shortening in mixer. Stir frequently until melted and smooth.
This icing dries hard and shiny and the colors stay bright. Chilling the cake can often help with this problem. Place the icing into a bowl and cover with cling wrap.
Make a filling dam or an outer circle and then fill in the cake layer with the icing.
Stir frequently until melted and smooth. Royal icing is used for cake and cookie decorations. This works better if you use a crusting type of frosting. Find recipes for cake frosting cupcake frosting cookie icing fondant and dessert glazes.