Butterscotch Brownies
["1/4 c. butter", "1 c. brown sugar", "1 egg, beaten", "1 tsp. vanilla", "1/2 c. flour", "1 tsp. baking powder", "1/2 tsp. salt", "1/2 c. nuts"]
["Melt the butter and brown sugar together.", "Cool slightly;", "add egg", "and", "vanilla.", "Sift", "together the flour, baking powder", "and salt;", "stir", "into", "the butter mixture.", "Add nuts. Turn", "into", "a greased 9 x 9-inch baking pan and bake about 30 minutes in a moderate oven (350\u00b0)."]
["butter", "brown sugar", "egg", "vanilla", "flour", "baking powder", "salt", "nuts"]