Banana Nut Cake
["1 pkg. Betty Crocker banana cake mix", "1 c. chopped walnuts", "2 cartons sour cream", "1 small carton Cool Whip", "2 bananas, sliced lengthwise", "1 can Betty Crocker icing"]
["Mix cake according to directions, adding walnuts to batter. Bake in two layers and cool completely.", "Split cooled layers horizontally.", "Mix sour cream, Cool Whip and icing and spread on each layer.", "Place sliced bananas on filling.", "Refrigerate and serve."]
["Betty Crocker banana cake mix", "walnuts", "sour cream", "bananas"]