1 box banana cake mix - add 1 tsp. baking soda

2 eggs
3 bananas, mashed
1/2 c. sour cream
1 tsp. vanilla

1/2 c. chopped nuts
1/2 c. sugar
1/2 tsp. cinnamon

Put 1/2 nut mixture on bottom of greased pan - add 1/2 cake mix, the rest of nut mixture in middle, add rest of cake mix. Bake 45 minutes at 350 degrees. Do not flour pan.