Melt 1stick margarine and mix with granulated sugar and crumbs. Press into 9X13 glass dish (bottom only)
Beat for 10 min: Powdered sugar, 1 stick margarine and eggs. Spread over crumbs. Split bananas lengthwise over the top. Cover bananas with crushed drained pineapple. Top with Cool whip. Decorate with maraschino cherries and nuts if you want to. This dessert is best if it is chilled for 6-12 hours.