Chocolate Sheath Cake
["2 c. flour", "1 stick margarine", "1 c. cooking oil", "2 eggs", "1 tsp. soda", "1 Tbsp. vanilla", "2 c. sugar", "1 c. water", "4 Tbsp. cocoa", "1/2 c. buttermilk", "1 tsp. cinnamon"]
["Mix flour and sugar and set aside.", "Bring next 4 ingredients together and bring to a boil and add to first mixture.", "Mix well. Add remaining ingredients and bake in 9 x 13-inch pan at 350\u00b0 for 35 minutes.", "Frost as soon as taken from oven."]
["flour", "margarine", "cooking oil", "eggs", "soda", "vanilla", "sugar", "water", "cocoa", "buttermilk", "cinnamon"]