Banana Bars - cooking recipe

Ingredients

3/4 c. butter or margarine
2/3 c. sugar
2/3 c. brown sugar
1 egg
1 tsp. vanilla
2 medium-sized ripe bananas, mashed
1 1/2 c. white flour
1/2 c. whole wheat flour
2 tsp. baking powder
1/2 tsp. salt
6 oz. chocolate or carob chips

Preparation

Cream margarine and sugar.
Add egg and vanilla.
Then mash bananas.
Add (by sifting) the dry ingredients to wet mixture. Beat well.
Add chips.