Banana Fudge-Walnut Brownies - cooking recipe

Ingredients

3/4 c. all-purpose flour
1/2 c. sugar
1/3 c. chopped walnuts
1/3 c. mashed, ripe bananas
1/2 tsp. vanilla
1/4 tsp. baking powder
1/4 tsp. salt
1 egg
1/4 c. (1/2 stick) margarine or butter
1 (6 oz.) pkg. semi-sweet chocolate chips

Preparation

Heat oven to 350\u00b0.
Grease bottom only of an 8-inch square pan.