Lemon-Pineapple Cake

Directions

1. 1
   Cream shortening.
2. 2
   Gradually add sugar, beating well at medium speed of an electric mixer.
3. 3
   Add egg whites (at room temperature), one at a time, beating well after each addition.
4. 4
   Combine flour and baking powder; add to creamed mixture alternately with milk, beginning and ending with flour mixture.
5. 5
   Mix just until blended after each addition.
6. 6
   Stir in vanilla.
7. 7
   Pour batter into 3 greased and floured 9-inch round cake pans.
8. 8
   Bake at 350° for 15 to 20 minutes, or until a wooden pick inserted in center comes out clean.
9. 9
   Cool in pans 10 minutes; remove layers from pans.
10. 10
    Let cool completely.