Cocoa Cake

2 1/2 tablespoon cocoa
2 1/2 tablespoon hot water
1 eggs, separated
1/4 cup sour milk
1/4 cup butter, softened
1 cup sugar
3/4 teaspoon vanilla
1 cup flour
sprinkle of salt
3/4 teaspoon baking powder
1/2 teaspoon soda
1/2 scant cup hot water

Frosting:
1 cup powder sugar
2 T. cocoa
3 T. butter, softened
1 1/2 T. cream or milk
1/2 T. vanilla

Mix cocoa & hot water to make smooth paste, sit aside.

Separate eggs & beat white until stiff. Sit aside.

Cream butter slowly, add sugar & beat well. Beat in egg yolks.

Mix dry ingredients add alternately with milk, twice. Add cocoa, mix well.

Add water, mix well.

Add egg white, mix gently.

Pour into greased 8-9" square cake pan. Bake 350 25 - 30 min

Frosting:

Mix dry ingredients. Add remaining ingredients. Mix well. Frost cooled cake.