Silver Cake - cooking recipe

Ingredients

1 c. shortening
2 c. sugar
3 1/2 c. all-purpose flour
1/2 tsp. soda
2 tsp. baking powder
1/4 tsp. salt
1 c. buttermilk
1 tsp. vanilla extract
6 egg whites, stiffly beaten

Preparation

Cream shortening and sugar until light and fluffy.
Sift together flour, soda, baking powder and salt.
Combine buttermilk and vanilla.
Add dry mixture to creamed mixture alternately with buttermilk, beating constantly after each addition.
Fold in egg whites.