Banana Cake
["1 stick butter", "1 1/2 c. sugar", "2 eggs", "2 c. all-purpose flour", "1/4 tsp. baking powder", "3/4 tsp. baking soda", "1/2 tsp. salt", "3 ripe bananas, mashed", "1/4 c. buttermilk", "1 tsp. vanilla", "1 c. walnuts or pecans, chopped"]
["Combine all ingredients in large mixer bowl and beat at low speed until thoroughly mixed.", "Pour into greased and floured baking pan and bake at 350\u00b0 until toothpick inserted in center comes out clean."]
["butter", "sugar", "eggs", "flour", "baking powder", "baking soda", "salt", "bananas", "buttermilk", "vanilla", "walnuts"]