Chocolate Buttermilk Sheet Cake
["2 c. flour", "2 c. sugar", "1/2 tsp. salt", "1 tsp. cinnamon", "1 c. margarine", "1 c. water", "3 Tbsp. cocoa", "2 eggs", "1 tsp. soda", "1/2 c. buttermilk", "1 tsp. vanilla"]
["Sift flour; measure and resift with sugar, salt and cinnamon. Bring to a boil the margarine, water and cocoa; pour over the flour mixture.", "Mix eggs, soda, buttermilk and vanilla together. Add to flour mixture.", "Bake in a greased and floured 9 x 13-inch pan.", "Cook 40 minutes at 350\u00b0."]
["flour", "sugar", "salt", "cinnamon", "margarine", "water", "cocoa", "eggs", "soda", "buttermilk", "vanilla"]