1. Prepare 1 box of Yellow Duncan Hines Moist Cake Mix according to the instructions on the box.
2. To make the layers, pour 8 large tablespoons (the kind you would normally use in the kitchen) into 9 inch grease pans.
3. Bake the pans at 350 degrees for 8 minutes.
Banana Icing Ingredients:
1. 2 medium bananas
2. 1 1/2 box 10X confectioners sugar
3. 1/2 stick of butter
4. Bottle of milk
To Make Icing:
1. Soften butter and mash bananas into butter with a fork
2. Take a mixer and add 10X sugar a little at a time using enough milk to thin it so that it's spreadable.
3. Spread the icing in between the layers (as many as you want), and then spread icing on the outside of the cake.
Chocolate Icing for the Smith Island Cake
1. Take a stick of butter and melt it in a pot on the stove.
2. Add 5 tablespoons of cocoa.
3. Add 1 tablespoon of vanilla
4. Add a pinch of salt
5. Add 1 cup of milk
6. Add 1 box of 10X confectioners sugar
7. Cook for about 6 mins or until the icing pulls away from the pan.