Quick Banana Cake
["1 box yellow cake mix", "eggs and water as directed on cake mix box", "1/4 c. oil", "2 medium bananas, mashed", "2 tsp. baking soda", "1/2 c. ground walnuts"]
["Combine cake mix, eggs, water, oil and baking soda and beat as directed on cake mix box. Fold in bananas and walnuts. Pour into a floured 9 x 13-inch pan. Bake according to directions on cake mix box."]
["yellow cake mix", "eggs", "oil", "bananas", "baking soda", "ground walnuts"]