Texas Sheet Cake

• 2 cups flour
• 2 cups sugar
• 1 cube butter
• 1/2 cup oil
• 1/4 cup cocoa
• 1 cup water
• 1/2 cup buttermilk or sour milk
• 1 tsp. vanilla
• 1 tsp. baking soda
• 2 eggs (slightly beaten)

Icing:

• 1 cube butter
  
• 1/4 cup cocoa
  
• 1/3 cup milk
  
• 1 tsp. vanilla
• 3 cups sifted powdered sugar

Cake:

Combine flour and sugar, set aside. Bring to boil butter, oil, cocoa and water. Pour over flour mixture; mix well and let cool. When cool, add buttermilk, vanilla, baking soda and eggs, mix well. Pour batter in a 12X12X2 greased and floured cookie sheet. Bake at 375 degrees for 15-20 minutes.

Icing:

Bring to hard boil butter, cocoa and milk. Remove from heat and add vanilla and sugar. Mix well. Pour icing over cake while cake is still hot.