Chocolate Sheet Cake
["2 c. flour", "2 c. sugar", "pinch of salt", "4 Tbsp. cocoa", "1 c. cold water", "1 stick margarine", "1/2 c. oil", "1/2 c. buttermilk", "1 tsp. soda", "1 tsp. vanilla", "2 eggs"]
["Mix flour, sugar and salt in mixing bowl.", "Put cocoa, water, margarine and oil in saucepan; bring to boil.", "Pour over dry ingredients while hot.", "Dissolve soda in buttermilk, add along with eggs and vanilla to mixture.", "Beat until smooth.", "Grease and flour pan.", "Pour into 18 x 12 x 1-inch pan.", "Bake for 18 minutes at 400\u00b0. While cake is baking make icing."]
["flour", "sugar", "salt", "cocoa", "cold water", "margarine", "oil", "buttermilk", "soda", "vanilla", "eggs"]