Apple Squares
["1 c. sifted all-purpose flour", "1 tsp. baking powder", "1/4 tsp. salt", "1/4 tsp. ground cinnamon", "1/4 c. (1/2 stick) butter or margarine", "1/2 c. sugar", "1/2 c. firmly packed light brown sugar", "1 egg", "1 tsp. vanilla", "1/2 c. finely chopped walnuts", "1/2 c. chopped, pared cooking apples", "cinnamon sugar (recipe follows)"]
["Sift flour, baking powder, salt and cinnamon onto wax paper. Melt butter or margarine in a medium size saucepan over moderate heat.", "Remove from heat."]
["flour", "baking powder", "salt", "ground cinnamon", "butter", "sugar", "brown sugar", "egg", "vanilla", "walnuts", "apples", "cinnamon sugar"]