Black Walnut Cake - cooking recipe

Ingredients

3 c. sifted powdered sugar
1 c. butter
1 tsp. black walnut flavoring
4 egg yolks
2 3/4 c. all-purpose flour
1 Tbsp. baking powder
1/2 tsp. ground cinnamon
1/4 tsp. salt
1 1/3 c. milk
1 c. chopped black walnuts
4 egg whites
sifted powdered sugar

Preparation

Cream together 3 cups powdered sugar, butter and flavoring until fluffy.
Add egg yolks and beat after each.
Stir together flour, baking powder, cinnamon and salt.
Add flour mixture and milk alternately to creamed mixture, beating well after each addition.
Stir in walnuts.