Banana Bars

1 c. sugar
1 tsp. baking powder
1/2 c. margarine or butter
1 1/2 c. flour
2 eggs
1 tsp. vanilla
1 1/3 c. mashed banana
1 tsp. baking soda dissolved in 1 Tbsp. hot water

Bake in a 9-inch x 13-inch greased baking pan at 325° for 25-30 minutes. Sprinkle one large package miniature marshmallows on top. Return to oven for a few minutes to melt.

2 c. powdered sugar
1/3 c. margarine
Juice of large orange
1/2 Tbsp. hot water if necessary

Spread on bars. Sprinkle with coconut.