Devil'S Food Squares - cooking recipe

Ingredients

1/2 cup margarine
1/2 cup shortening
4 tablespoons cocoa
1 cup boiling water
2 cups sifted flour
2 cups sugar
1/2 cup buttermilk
1 teaspoon baking soda
1 teaspoon cinnamon
2 eggs
1 dash salt
1 teaspoon vanilla
chocolate icing
1/2 cup margarine
4 tablespoons cocoa
6 tablespoons milk
1 (1 lb) box sifted powdered sugar
1 teaspoon vanilla
1 cup chopped nuts (optional)

Preparation

Mix the first 4 ingredients and bring to boiling point, Combine the next two ingredients and pour the hot chocolate mixture over; Add the remaining ingredients; Bake in 9x13 pan at 400 degrees for 20 minutes.
Icing; Bring margarine,cocoa and milk to boiling point over low heat, Add powdered sugar, vanilla and nuts, Ice cake while hot.