Mix and pat in a 9x13 cake dish 1 cube margarine and 2 cups graham crackers set aside. Beat the following for no less than 15 mins. 2 eggs 2 cubes of margarine softened 2 tsp vanilla 2 cups powdered sugar. Spread mixture over graham cracker crust then cover with sliced bananas add one can crushed pineapple make sure it's drained well. Cover with large carton of cool whip sprinkle with 3/4 chopped walnuts and 1/2 cup cherries. Chill several hours or overnight.