Ingredients:

2 cup graham cracker crumbs
2 sticks margarine, softened
2-½ cup powdered sugar
2 egg whites
1 large can crushed pineapple, drained well
3 large bananas, sliced lengthwise
1 large carton frozen whipped topping
chopped nuts
chopped cherries

Directions:

Combine graham cracker crumbs, 1 stick melted margarine and ½ cup powdered sugar in bowl. Press into bottom of 9x13 inch pan.

Beat egg whites, remaining 2 cups powdered sugar and remaining stick of softened margarine in mixing bowl on high speed for 10 minutes. Pour over crumb crust.