Apple Squares

INGREDIENTS

• 1 cup sifted all-purpose flour
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1/4 teaspoon ground cinnamon
• 1/4 cup butter or margarine, melted
• 1/2 cup packed brown sugar
• 1/2 cup white sugar
• 1 egg
• 1 teaspoon vanilla extract
• 1/2 cup chopped apple
• 1/2 cup finely chopped walnuts
• 2 tablespoons white sugar
• 2 teaspoons ground cinnamon