Chocolate Sheet Cake
["2 c. sugar", "2 c. flour", "2 sticks butter or oleo", "5 Tbsp. cocoa", "1 c. water", "1/2 c. buttermilk", "2 eggs, slightly beaten", "1 tsp. vanilla", "1 tsp. baking soda", "1 tsp. cinnamon"]
["Sift together in large mixing bowl sugar and flour.", "Place in saucepan and bring to a boil butter or oleo, cocoa and water.", "Pour butter mixture over flour and sugar; mix well and add buttermilk, eggs, vanilla, baking soda and cinnamon.", "Mix and bake on a slightly greased 10 x 15-inch pan at 400\u00b0 for 20 to 25 minutes. Before cake is done, make icing."]
["sugar", "flour", "butter", "cocoa", "water", "buttermilk", "eggs", "vanilla", "baking soda", "cinnamon"]