Banana cake layers baked on a graham cracker crust, with toasted marshmallow filling and Nutella buttercream.
Preheat your oven to 375 degrees F. Spray three 8-inch our four 6-inch round cake pans with non-stick spray and then line with parchment. Spray again. Set aside.
Remove the bowl from the mixer and use a wooden spoon and mix by hand to stir out the air bubbles.
Finish frosting the cake with the chocolate frosting.