Butterscotch Bars
["1/2 c. margarine", "1 1/2 c. brown sugar", "2 eggs, beaten", "1 1/2 c. flour", "1 1/2 tsp. baking powder", "1 tsp. vanilla"]
["Melt margarine.", "Add brown sugar and mix well.", "Add eggs and vanilla and mix well.", "Mix in dry ingredients.", "Pour into greased 9 x 13-inch pan and bake at 325\u00b0 for 30 to 35 minutes.", "Cool and cut into bars."]
["margarine", "brown sugar", "eggs", "flour", "baking powder", "vanilla"]