Banana Pecan Cake
["1 1/4 sticks butter", "2 c. sugar", "4 eggs", "1 c. sour cream", "1 tsp. baking soda", "3 c. cake flour", "2 tsp. baking powder", "2 ripe bananas, mashed", "1 c. chopped pecans"]
["Cream butter and sugar; add eggs, one at a time.", "Blend well after each addition.", "Mix baking soda with sour cream.", "Sift dry ingredients together and add to butter mixture; alternate with sour cream.", "Begin with flour and end with flour.", "Blend in mashed bananas and nuts.", "Pour batter into greased 8 x 13-inch pan; bake at 350\u00b0 for 25 to 30 minutes."]
["butter", "sugar", "eggs", "sour cream", "baking soda", "cake flour", "baking powder", "bananas", "pecans"]