Butterscotch Brownies
["1/4 c. oil", "1 c. light brown sugar, firmly packed", "1 egg, slightly beaten or 2 egg whites or egg substitute equivalent to 1 egg", "1/4 c. sifted flour", "1 tsp. baking powder", "1/2 tsp. vanilla extract", "1/2 c. coarsely chopped walnuts"]
["Walnuts are high in polyunsaturated fats."]
["oil", "light brown sugar", "egg", "flour", "baking powder", "vanilla extract", "walnuts"]