Lemon Squares
["1 c. flour", "1/4 c. powdered sugar", "1/2 c. melted butter", "1 c. sugar", "2 Tbsp. flour", "2 eggs", "1/2 tsp. baking powder", "3 to 5 Tbsp. lemon juice"]
["Mix the first 3 ingredients together and press into 8 x 8-inch pan.", "Bake at 350\u00b0 for 20 minutes.", "Then mix next five ingredients and pour over crust and bake 20 minutes more."]
["flour", "powdered sugar", "butter", "sugar", "flour", "eggs", "baking powder", "lemon juice"]