Texas Chocolate Sheet Cake

My Mom made this a lot growing up.  Yummy!

Sift into bowl:

2 cups sugar

2 cups flour

Put in pan to cook:

1 stick butter or margarine

1/2 cup buttermilk  (you can put vinegar in regular milk to make buttermilk)

1 cup water

4 TBS cocoa powder

1/2 cup shortening

Bring ingredients in pan to rapid boil and add to dry ingredients.

Add and mix well:

2 eggs

1 tsp cinnamon

1 tsp baking soda

1 tsp vanilla

Pour mixture into greased and floured 11x16 pan

Bake 400 degrees for 20 minutes

Texan chocolate sheet cake icing

Bring to boil:

1 stick margarine or butter

4 TBS cocoa powder

6 TBS canned milk

1 pound powdered sugar

1 tsp vanilla

1 cup chopped nuts

Mix well and spread on HOT cake