This is variation of my recipe for white cake ... together until you have a smooth, creamy frosting. Optionally trim the cake ...

Fold egg white mixture into chocolate mixture ... Leave remaining icing in bowl. Trim cakes flat using a cake leveler or serrated knife, if necessary; discard parchment. Place one cake layer ...

They had green "strings" and white accents that looked ... around the bottom and colorful flat sprinkles on top. My first bite included both the icing and the cake components together.