Yummy Texas Sheet Cake

{Stir in mixing bowl:}
2 c. sugar
2 c. flour
½ t. salt

{Boil and pour over dry ingredients:}
2 cubes margarine
1 c. water
4 T. cocoa

{Add and beat well:}
½ c. sour cream
2 eggs
1 t. soda
1 t. vanilla
1 t. cinnamon (optional)

Bake in greased jelly roll pan.
Bake at 375 degrees
20-25 minutes.

Frosting:

{Boil in med. sauce pan:}
6 T. canned milk
1 cube margarine
4 T. cocoa

{Add:}
1 lb. powdered sugar
2 t. vanilla
1 c. chopped nuts

Pour directly over warm cake.