Black Walnut Cake

2 c sifted flour
2 3/4 ts baking powder
1/4 ts salt
2/3 c shortening
1 1/2 c sugar
1 ts vanilla
3 eggs, separted
3/4 c milk
1 1/2 c ground black walnuts

Sift flour, baking powder and salt together. Cream shortening with sugar and vanilla until fluffy. Add beaten egg yolks and beat thoroughly. Add sifted dry ingredients and milk alternately in small amounts, beating well after each addition. Add nuts and fold in stiffly beaten egg whites. Pour into greased pans and bake in a 350 degree oven for 30 minutes. Makes 2 (9 inch) layers.