Monkey Bars
["1 ripe banana, mashed", "1/2 c. sugar", "1/2 c. brown sugar", "1/2 c. margarine", "1/2 tsp. cinnamon", "1/2 tsp. vanilla", "1 egg", "1 c. flour", "1 tsp. baking powder", "1/3 c. chopped nuts"]
["Grease and flour a 9 x 9-inch pan.", "Mix all ingredients together.", "Spread nuts on top.", "Bake at 350\u00b0 for about 30 minutes. Sprinkle with powdered sugar on top while still hot.", "Cool and cut into bars."]
["banana", "sugar", "brown sugar", "margarine", "cinnamon", "vanilla", "egg", "flour", "baking powder", "nuts"]