I just love Upside-Down Cakes. You just put fruit on the bottom of the pan, add the batter, bake, invert and serve. You'll learn even more about them here.
Here is an apple recipe for Upside-Down Apple Cake.
Here is a recipe for mini pineapple upside-down cakes.
Here is a recipe for a Double Pineapple Upside-Down Cake which has pineapple in and on the cake.
Learn about Upside-Down cakes in this article. You'll find freezing tips as well.
Try this non-traditional upside-down cake.
This is a neat idea from Dole. Here are the instructions for using a muffin pan to make individual pineapple upside-down cakes.
This is a very interesting recipe. It even calls for strawberry gelatin.
This is the recipe for my family's favorite upside-down cake. It makes 2 cakes so you can freeze one for later.