texas sheet cake

bring to boil:
1 c water
1/4 c shortening
1/2 c butter
1/4 c cocoa

combine:
2 c sugar
2 c flour
1 t cinnamon
1 t baking soda
1/2 t salt

add cocoa mixture to dry ingredients and blend.

beat into mixture:
1/2 c buttermilk
1 t vanilla
2 eggs

pour into a 9x15 in greased pan and bake at 300 degrees for 20 minutes.

frosting:
1/2 c butter
6 T buttermilk
1/3 c cocoa
1 pound powdered sugar
1 t vanilla

bring first three ingredients to a boil, stirring constantly. gradually beat in powdered sugar and vanilla. pour over hot cake.