Texas Sheet Cake

This comes from my Grandmommy.  We've inherited it and it's still one of my favorite cakes with a big scoop of vanilla ice cream on top.

In large bowl mix …

2 cups flour

2 cups sugar

melt in saucepan then mix with above …

2 sticks margarine

4 Tbs unsweetened cocoa

1 cup water

then add …

½ cup buttermilk

2 eggs beaten

½ tsp soda

1 tsp vanilla

Pour into sheet cake (11x17) and bake 20 minutes at 400 degrees. 

While cake is baking, bring to a boil in saucepan …

1 stick marjarine

1/3 cup sweet milk

4 Tbs unsweetened cocoa

add 1 cup powdered sugar

1 cup chopped mixed nuts

pour onto cake as soon as it comes from the oven and spread quickly.