5 tbsp. butter
1/2 c. sugar
1/2 c. brown sugar
1 egg
2 egg whites
1 tsp. vanilla extract
1 1/2 c. mashed bananas
1 3/4 c. flour
1 tsp. baking soda
1/4 tsp. baking powder
1/2 tsp. salt
1/2 c. heavy cream
1/3 c. chopped walnuts

Beat butter; add sugars. Add egg and egg whites and vanilla; beat until well blended. Add bananas; beat 30 seconds. Combine flour, baking soda, powder and salt. Add alternately with cream to banana mixture, ending with flour. Add nuts to batter.

Bake in greased on bottom only loaf pan at 350°F for 1 hour and 10 minutes. Cool on rack.