Congo Bars
["12 oz. chocolate chips", "3 eggs", "1 tsp. vanilla", "1 c. oil (vegetable)", "1 box light brown sugar", "2 3/4 c. self-rising flour"]
["Beat oil, eggs, vanilla and sugar.", "(Batter will be stiff.) Add rest of ingredients.", "Stir well.", "Pour into greased and floured 13 x 9-inch pan.", "Bake 30 minutes at 350\u00b0."]
["chocolate chips", "eggs", "vanilla", "oil", "light brown sugar", "flour"]