Lemon Bars
["1 c. butter", "1/2 c. powdered sugar", "2 c. flour", "4 slightly beaten eggs", "6 Tbsp. lemon juice", "grated rind of 1 lemon", "2 c. sugar", "1/4 c. flour", "2 tsp. baking powder"]
["Cream the butter; add powdered sugar.", "Mix in flour.", "Blend well with electric mixer and spread in a 9 x 13-inch ungreased pan. Bake at 350\u00b0 for 15 minutes."]
["butter", "powdered sugar", "flour", "eggs", "lemon juice", "lemon", "sugar", "flour", "baking powder"]