Sheet Cake Brownies
["2 c. flour", "2 c. sugar", "2 cubes margarine", "1 c. water", "4 tsp. cocoa", "2 eggs", "1 tsp. soda", "1/2 c. buttermilk", "1 tsp. vanilla"]
["Put in a large bowl the flour and sugar.", "Bring to a boil the margarine, water and cocoa.", "Pour flour mixture and mix well.", "Add eggs, soda, buttermilk and vanilla.", "Beat until smooth.", "Pour into greased 12 x 16-inch pan (jelly roll pan).", "Bake at 400\u00b0 for 20 minutes.", "Pour frosting over hot cake."]
["flour", "sugar", "margarine", "water", "cocoa", "eggs", "soda", "buttermilk", "vanilla"]