Texas Sheet Cake

2 cup flour
2 cups sugar
1 tsp. baking soda
2 cubes of BUTTER
4 Tbsp. powdered cocoa
1 cup water
1 tsp. vanilla
2 eggs
1/2 c. buttermilk

Mix flour, sugar, and baking soda togehter and set aside. Heat BUTTER, cocoa, and water in a small sauce pan on low to a low boil. Add the dry mixture and mix well. Then add the vanilla, eggs and buttermilk. Mix well and pour into a greased 10x15 pan. Bake in oven at 400 for 20 mins.

Frosting:
4 cups powdered sugar, set aside in a bowl. Melt 2 cubes of BUTTER and 4 Tbsp cocoa. Stir constantly. When completed melted, add 1 tsp of vanilla and 6 Tbsp. buttermilk. Pour this mixture into the powdered sugar and mix well with hand mixer, scraping sides frequently. Pour/spread the frosting on the cake right when it is removed from the oven. Optional: Sprinkle chopped walnuts on top.