Good Old Banana Bars - cooking recipe

Ingredients

1/2 c. margarine or butter
1 1/2 c. sugar
1 egg
1 1/2 tsp. vanilla
1/3 c. sour cream (lite)
1 1/2 c. unsifted flour
1 tsp. baking soda
1/4 tsp. salt
1 c. mashed bananas (3 or 4 ripe)
1/2 c. walnuts, chopped

Preparation

Cream margarine or butter with sugar.
Add egg, vanilla and sour cream.
Mix well, then add flour, baking soda and salt.
Fold in bananas and walnuts.
Dump into a greased 10 1/2 x 15 1/2 x 1-inch jelly roll pan.
Bake in a 350\u00b0 oven for 35 to 40 minutes. Turn off oven; crack door and leave in oven overnight to cool. Next day, cut into bars and dust with confectioners sugar.