Lemon Bars
["2 c. flour", "1 1/2 sticks butter", "1/2 c. 10x sugar", "4 eggs", "pinch of salt", "2 c. sugar", "6 Tbsp. lemon juice", "4 Tbsp. flour", "1 tsp. baking powder"]
["Mix the first 3 ingredients well and pack into a greased 9 x 13-inch pan.", "Bake 20 minutes at 350\u00b0."]
["flour", "butter", "sugar", "eggs", "salt", "sugar", "lemon juice", "flour", "baking powder"]