1 pkg. yellow cake mix
1 pkg. Jello Butter Pecan Instant Pudding
1/2 c. mashed banana
4 eggs
1 c. water
1/4 c. oil
1/2 c. chopped nuts

Blend all ingredients in large bowl. Beat 4 minutes at medium speed. Pour into greased and floured bundt pan. Bake at 350 degrees for 50 minutes or until done. Do not under bake. Cool in pan 15 minutes. Remove and cool on rack. Top with powdered sugar, glaze or frosting.