Easy Banana Cake - cooking recipe

Ingredients

1 yellow cake mix
2 large or 3 small bananas
1/2 c. ground walnuts
1 tsp. baking powder
1 Tbsp. vinegar
cream cheese frosting

Preparation

Mix yellow cake mix per directions on box.
Add 2 large or 3 small mashed bananas, 1/2 cup ground walnuts, 1 teaspoon baking powder and 1 tablespoon vinegar to batter.
Beat together.
Bake as directed on box.
Frost with cream cheese frosting.