Marble Cake

2 1/4 c flour (softasilk), sifted
1 1/2 c sugar
3 1/2 t baking powder
1 t salt
1/2 c shortening
2/3 c milk
1 t vanilla extract
1/3 c milk
1 oz unsweetened chocolate
1/4 t baking soda
2 T water
4 ea egg whites, unbeaten
**chocolate frosting**
1/2 c shortening
2 c powdered sugar
1/2 c cocoa (up to 2/3 cup)
1 t vanilla
milk

Sift together in a bowl dry ingredients.
Add 1/2 cup shortening, 2/3 cup milk, and 1 teaspoon vanilla extract. Beat 2 minutes.
Add another 1/3 cup milk and 4 egg whites, unbeaten. Beat 2 more minutes. To 1/3 of the batter add 1 square unsweetened chocolate (1 ounce) melted, mixed with 1/4 teaspoon baking soda and 2 tablespoons warm water. Pour alternately in a greased 9" square pan. Bake at 350 for 35 to 45 minutes. Frost with chocolate frosting.

Chocolate frosting: Beat shortening and powdered sugar together.
Add cocoa.
Add milk by tablespoon till thick enough to spread.
Add 1 teaspoon vanilla.

Wisconsin State Fair