Texas Chocolate Sheet Cake

I loved it when my mom made this cake.  I had it from the time I was very little.  It was one of those cakes that I just kept going back and eating more (like a pan of brownies!).  It is so moist and delicious.

Chocolate Sheet Cake Recipe

Sift:
1 tsp baking soda
2 cups flour
2 cups sugar

Bring to boil:
2 sticks margarine
1 cup water
4 T cocoa
Pour this over sugar and flour mixture and mix well.

Add:
1/2 cup buttermilk
2 eggs
1 t vanilla
Mix well and pour in greased sheet pan.

Bake at 400F for 20 minutes.

Frost cake.

Frosting:
Boil 1 stick margarine, 5 T milk, 4 T cocoa.  Remove from heat.
Add 1 box powdered sugar, 1 cup nuts and mix well.  Spread over cake.