Butterscotch Brownies
["2/3 c. butter", "1 1/2 c. brown sugar, packed", "1 c. flour", "1 tsp. baking powder", "2 eggs", "1 tsp. vanilla", "1 c. chopped nuts"]
["Melt butter and sugar together.", "Beat well and bake at 350\u00b0 for 40 minutes.", "When cooled, cut into squares."]
["butter", "brown sugar", "flour", "baking powder", "eggs", "vanilla", "nuts"]