Chocolate Sheath Cake
["2 c. sugar", "2 c. flour", "1 tsp. soda", "1 tsp. cinnamon", "1 c. water", "1 stick margarine", "1/2 c. vegetable oil", "4 Tbsp. cocoa", "1/2 c. buttermilk", "3 eggs, slightly beaten", "1 tsp. vanilla"]
["Sift together the sugar, flour, soda and cinnamon; set aside. In a saucepan, place the water, margarine, oil and cocoa and bring to a boil.", "Pour over dry ingredients, mixing well.", "Mix together the buttermilk, eggs and vanilla.", "Add to chocolate mixture the butter mixture.", "Pour into a greased and floured 9 x 13-inch pan. Bake at 400\u00b0 for 20 minutes."]
["sugar", "flour", "soda", "cinnamon", "water", "margarine", "vegetable oil", "cocoa", "buttermilk", "eggs", "vanilla"]