Cream together margarine and sugar. Add 6 egg yolks that have been well beaten. Add baking powder to the flour and dredge the chopped pecans, pineapple, and cherries in the flour mixture. Add to creamed mixture. Add lemon extract. Beat 6 egg whites until stiff. Fold them into the batter. Bake in a tube pan with a pan of water under the cake pan.
