Warm Banana Cake with Butterscotch-Caramel Sauce
Prepare the cake as directed. Remove layers from pans; cool thoroughly. Before serving, wrap a cake layer in foil. Warm in a 350 degree F oven for 15 minutes. Serve as directed.
To make sour milk, place 1-1/2 teaspoons lemon juice or vinegar in a glass measuring cup. Add enough milk to make 1/2 cup liquid; stir. Let stand for 5 minutes before using.