Cake:

2 cups all purpose flour
2 cups sugar
1 tsp cinnamon
2 tsp baking soda
1 tbsp Hershey's cocoa
2 sticks butter
1 cup water
2 eggs
1/2 cup buttermilk
1 tsp vanilla

In large bowl, combine sugar, flour, cinnamon, and soda. Set aside. In saucepan, add butter, cocoa, and water. Cook over med heat until butter is completely melted. Remove from heat and add to cocoa mixture. Stir until well mixed. Add eggs, buttermilk and vanilla. Pour into greased jelly roll pan.

Bake at 350°F for 20 minutes or until toothpick inserted in center comes out clean. Cool completely, then frost.

Frosting:

1 stick butter, melted
2 1/2 tbsp Hershey's cocoa
6 tbsp buttermilk
4 cups powdered sugar
1 tsp vanilla

Mix all ingredients together until thick. Spread over cake. Put frosted cake in refrigerator for a few hours. When cold, cut into squares and serve.