Microwave Chocolate Chip Bars
["1 1/4 c. sifted flour", "1/2 tsp. baking powder", "1/2 tsp. salt", "1/2 c. butter or regular margarine", "1/3 c. sugar", "1/3 c. brown sugar, packed", "1 egg", "1 tsp. vanilla", "1 (6 oz.) pkg. semi-sweet chocolate pieces"]
["Sift together flour, baking powder and salt; set aside.", "Cream butter, sugar and brown sugar at medium speed.", "Add egg and vanilla, beating well.", "Gradually stir dry ingredients into creamed mixture, blending well.", "Stir in 2/3 cup of chocolate pieces. Spread mixture in an 8-inch square glass baking dish."]
["flour", "baking powder", "salt", "butter", "sugar", "brown sugar", "egg", "vanilla", "semi-sweet chocolate pieces"]