Sheath Cake
["2 c. sifted flour", "2 c. sugar", "3 to 4 Tbsp. cocoa", "1 c. water", "1 stick margarine", "1/2 c. shortening", "1 tsp. soda", "1/2 c. buttermilk", "2 eggs, slightly beaten", "1 tsp. cinnamon", "1 tsp. vanilla"]
["Combine flour and sugar.", "Combine cocoa, water, margarine and shortening.", "Bring to a rapid boil.", "Add to flour mixture. Dissolve soda and buttermilk.", "Add with eggs, cinnamon and vanilla to batter.", "Mix well.", "Pour into greased and floured 11 x 16-inch pan.", "Bake at 350\u00b0 to 400\u00b0 for 20 minutes."]
["flour", "sugar", "cocoa", "water", "margarine", "shortening", "soda", "buttermilk", "eggs", "cinnamon", "vanilla"]