Preheat oven to 350F. Cream together butter, sugar and eggs. Stir in flour, cocoa, baking soda and cinnamon. Blend well. Add vanilla, bananas, sour cream, nuts, and chocolate chips. Spoon batter into 2 greased and floured 8 x 3 x 2 inch loaf pans. Bake at 350F for 55 minutes or until toothpick comes out clean. Cool for 10 minutes before removing from pans.
Makes 2 loaves. Serves 12.
Cajun Country -- New Iberia, Louisiana