Lemon Squares
["1 c. butter", "2 c. flour", "1/2 c. sugar", "7 Tbsp. lemon juice", "2 c. sugar", "1/2 c. flour", "1 tsp. baking powder", "4 eggs, beaten"]
["Mix first 3 ingredients like pie dough; pat into 2 (9-inch) square pans.", "Bake 20 minutes at 350\u00b0.", "Mix remaining ingredients together in mixer or blender; pour over the warm crust.", "Bake about 25 minutes.", "Cut while warm into small squares.", "Sprinkle with powdered sugar."]
["butter", "flour", "sugar", "lemon juice", "sugar", "flour", "baking powder", "eggs"]