Butterscotch Brownies
["2 c. firmly packed brown sugar", "1/4 c. vegetable oil", "1/4 c. margarine", "2 eggs or 1/2 c. Egg Beaters", "2 tsp. vanilla", "1 1/2 c. flour", "2 tsp. baking powder", "1/2 tsp. salt", "1 c. chopped walnuts"]
["Lightly oil a 9 x 13-inch baking pan.", "Stir together sugar, oil, margarine and eggs.", "Mix in nuts and vanilla.", "Stir together flour, baking soda and salt; add to sugar mixture.", "Pour into prepared pan.", "Bake in 350\u00b0 oven about 25 to 35 minutes (until browned and knife comes out clean).", "Cut into 32 pieces."]
["brown sugar", "vegetable oil", "margarine", "eggs", "vanilla", "flour", "baking powder", "salt", "walnuts"]