Chocolate Sheet Cake

Directions

1. 1
   Mix sugar and flour together in large mixing bowl.
2. 2
   In a saucepan, combine margarine, cocoa, shortening and water.
3. 3
   Bring mixture to a boil.
4. 4
   Mix with flour and sugar in bowl.
5. 5
   Mix well. Add buttermilk, eggs, cinnamon, soda and vanilla.
6. 6
   Pour into greased and floured 9 x 13-inch pan.
7. 7
   Bake at 375° for 30 minutes or until cake tests done.
8. 8
   Frost while warm.