We called this a "chocolate volcano." My version included two cake mixes, swirled together like marble cake, three glass baking pans, a double batch of chcolate-cream cheese frosting, and four bags of chocolate candies.
Here's what you'll need to make a PINATA PARTY CAKE: two boxes of cake mix, two containers of frosting, an assortment of small candies, a quart oven-safe bowl (greased and floured) and an offset spatula. Click image for complete recipe.
My kids would end up eating shells! Easter egg cupcakes: Cake baked in REAL egg shells that you peel away to eat! Imagine your kid's face when they peel what LOOKS like a hard boiled egg and find CAKE?