Chocolate Sheet Cake
Sift together or mix: 
2 cups flour ;2 cups sugar ;;
1/2 tsp. salt; 1 tsp. soda ;
Heat to boiling: 
2 cups margarine; 3 Tbsp. cocoa ;
1 cup water ;
Pour hot mixture over dry ingredients and mix. 
Add: 
1 /2 cup buttermilk or sour cream; 
1 tsp. vanilla ;2 eggs ;
Mix well and bake in large cookie sheet. 
Icing: Heat to boiling: 
1 cube margarine ;
5 Tbsp. milk ;2 Tbsp. cocoa ;
Remove from heat and add: 
1 box powdered sugar ;
1/2 cup chopped nuts ;1 tsp. vanilla ;
After cake is removed from oven pour frosting on
 and smooth while both are still hot. 
Quick and very good.