Melt-In-Your-Mouth Cookies
["1/2 c. butter or margarine", "1 c. light brown sugar, packed", "1 tsp. vanilla", "1 egg", "3/4 c. sifted flour", "1 tsp. baking powder", "1/2 tsp. salt", "1/2 c. finely chopped nuts"]
["Cream butter.", "Add sugar, vanilla and egg.", "Beat until light. Add sifted dry ingredients and nuts.", "Drop by scant teaspoonfuls onto cookie sheets.", "Bake in 400\u00b0 oven about 5 minutes.", "Cool slightly (1/2 minute).", "Remove to wire rack."]
["butter", "light brown sugar", "vanilla", "egg", "flour", "baking powder", "salt", "nuts"]