From the Bake It in a Cake archives: Ghostbuster cupcakes! Key...

From the Bake It in a Cake archives: Ghostbuster cupcakes! Key...:

From the Bake It in a Cake archives: Ghostbuster cupcakes! Key lime “slime” baked inside vanilla cupcakes with “Stay Puff” marshmallow buttercream!

Here’s the recipe.