Instructions

1. Sift the flour and baking powder together.
2. Place egg whites in a large bowl. Beat until foamy.
3. Gradually add sugar while beating and beat until stiff.
4. Add egg yolks, one at a time, beating well after each addition.
5. Carefully fold in sifted dry ingredients , a few tablespoons at a time.
6. Turn into two 9-inch layer pans which have been lined with waxed paper.
7. Bake at 350 degrees F for 20 to 25 minutes, or until cake springs back when touched with a finger.
8. Loosen cake from sides of pans. Turn out on cake racks. Immediately remove paper. Cool.
9. Spread one layer with Whipped Cream Frosting, using about 2/3 cup. Over this, spread the crushed pineapple. Top with remaining layer. Spread remaining frosting over cake. Refrigerate.
10. Whipped Cream Frosting: Beat the heavy cream until fluffy. Gradually add the sugar while beating. Stir in the vanilla extract.