2 c. sugar
2 c. flour
2 tsp. cinnamon
1/8 tsp. salt
1 stick butter
1/4 c. cocoa
1 c. water
2 eggs
1 tsp. vanilla
1/2 c. buttermilk
1 tsp. baking soda

Mix sugar, flour, cinnamon and salt in bowl. In saucepan, mix butter, cocoa and water and bring to boil. Remove from heat. Pour over flour mixture; mix well. Dissolve soda in buttermilk; add to first mixture. Add eggs and vanilla. Pour in 12 x 18 cookie sheet pan and bake at 400°F for 20 minutes. Five minutes before done, make Frosting.

Frosting:

1 stick butter
4 tbsp. cocoa
milk
1 box powdered sugar

Mix softened butter, milk and cocoa in pan and bring to boil. Stir constantly. Pour hot liquid over sugar and beat until smooth. Pour over warm cake.