Title: Diana's chocolate sheet cake
 Categories: Cakes, Desserts
      Yield: 18 Servings
 
MMMMM----------------------------CAKE---------------------------------
      2 c  Sugar
      2 c  Flour
    1/3 c  Cocoa
      1 ts Baking soda
    1/2 ts Salt
      1 c  Butter or margarine
      1 c  Water
      1 c  Butter milk
      2    Eggs
      1 ts Vanilla

MMMMM---------------------------ICING--------------------------------
    1/2 c  Margarine or butter
    1/4 c  Cocoa
      6 tb Milk
      4 c  Confectioners sugar (1 lb.)
      1 c  Chopped walnuts (optional)
 
  For the cake: Combine sugar, flour, cocoa, baking soda and salt in a
  large mixing bowl. Mix well. Heat margarine and water in a saucepan
  until boiling. Pour over dry ingredients and mix. Beat in buttermilk,
  eggs, and vanilla. Pour thin batter into greased and floured 15 x 10
  inch pan. Bake at 400 deg f for 20 minutes. Serv this cake warm or
  cold. For the icing: Combine margarine, cocoa, and milk. Heat to
  boiling. Pour over confectioners sugar and nuts. Mix well. Spread
  over hot cake. Makes 18 servings.