1 lg. ripe banana
1/2 c. butter, softened
1/2 c. brown sugar
1/2 c. sugar
1/2 tsp. cinnamon
1/2 tsp. vanilla
1 egg
1 c. flour
1 tsp. baking powder
1/4 - 1/2 c. chopped nuts

Beat banana, butter, sugars and flavorings until well blended. Beat in egg. Add flour and baking powder. Spread evenly in well greased 9x13x2 inch pan. Sprinkle with nuts. Bake at 350 degrees for 25 minutes. Cool on racks. Makes 30 bars.