Chocolate Sheet Cake Recipe

Ingredients

2 c. sugar
2 c. flour
2 sticks margarine
4 tbsp. cocoa
1 c. water
1 tsp. soda mixed with
1/2 c.buttermilk
2 tsp. cinnamon
1 tsp. vanilla
Dash of salt
2 eggs
ICING:-
12 oz. walnuts (I add nuts on top
  of cake then the icing)
6 tbsp. cocoa
6 tbsp. milk might need more

Directions:

Mix sugar and flour together.  Melt margarine, cocoa and water.  Bring to boil add to flour mixture.  Add buttermilk rest of ingredients.  Mix well.  Use pan 11 x 13 inch.  Bake in preheated oven at 400 degrees for 20 minutes longer if it is soft on top don't over cook.
ICING:- Bring to boil and add 1 pound 10x sugar, 1 teaspoon vanilla mixture.  Ice the cake as soon as it comes out of oven.