Buttermilk Brownies
["1 cube margarine", "1 c. water", "1/2 c. oil", "1/4 c. cocoa", "2 c. sugar", "2 c. flour", "1 tsp. salt", "1/2 c. buttermilk plus 1 tsp. soda", "2 eggs plus 1 tsp. vanilla"]
["Boil margarine, water, oil and cocoa.", "Add sugar, flour and salt.", "Mix together and add buttermilk with soda and 2 eggs plus vanilla.", "Bake in 18 x 12-inch foil-lined jelly roll pan at 385\u00b0 for 20 minutes.", "Frost immediately."]
["margarine", "water", "oil", "cocoa", "sugar", "flour", "salt", "buttermilk", "eggs"]