2 c. flour
2 c. sugar
1 tsp. baking soda
1 tsp. cinnamon
2 sticks butter
4 tbsp. cocoa
1 c. water
1/2 c. buttermilk (or 1/2 c. milk and 1 tbsp. vinegar)
2 eggs (beaten)

Bring butter, cocoa and water to a boil in a saucepan. Pour over flour and sugar mixture in a large bowl; stir until well blended. Add buttermilk, eggs, soda, cinnamon, and vanilla. Mix well and bake in an 11x16x2 pan for 20 minutes at 400 degrees. Begin to make icing 5 minutes before cake is done.

ICING:

1 stick butter
4 tbsp. cocoa
6 tbsp. milk
1 box powdered sugar
1 tsp. vanilla
1 c. chopped nuts

Bring to a boil all ingredients.