Preheat oven to 350 degrees. For the cake- Stir
flour, sugar and salt together in bowl. Set
aside. In saucepan, heat margarine, cocoa and
water. Stir while bringing to a boil. Pour over
the flour mixture and stir together. In separate
bowl, stir eggs, soda, buttermilk, cinnamon and
vanilla together. Add to the flour/cocoa mixture
and stir well.