1/4 c. sour cream
1 tsp. baking soda
1/2 c. butter
1 1/4 c. sugar
2 eggs
1 tsp. vanilla
1 1/2 c. all-purpose flour
1 c. coarsely mashed bananas
1/2 c. nuts

Stir together sour cream and soda. Put to side. Cream butter and sugar. Add eggs. Beat in sour cream and soda mixture. Stir in remaining ingredients until just blended. Do not overmix. Add nuts.

Bake at 325°F for 50 minutes.

Recipe can be doubled. Does real well.