Sheet Cake Brownies
["1 stick margarine", "3 sq. unsweetened chocolate", "1 c. water", "2 c. flour", "2 c. sugar", "1 tsp. soda", "1 tsp. salt", "1 tsp. vanilla", "1/2 c. sour milk", "2 eggs"]
["In saucepan put margarine, chocolate and water.", "Let melt and bring to a boil.", "Add flour, sugar, soda, salt, vanilla and sour milk.", "Stir well.", "Then add eggs; beat after each one.", "Pour into well-greased jelly roll pan.", "Bake 25 minutes in 350\u00b0 oven.", "While baking make frosting."]
["margarine", "unsweetened chocolate", "water", "flour", "sugar", "soda", "salt", "vanilla", "sour milk", "eggs"]