Lemon Squares
["1 c. butter (2 sticks), softened", "2 c. flour", "1/2 c. 10x sugar", "4 eggs", "2 c. sugar", "6 Tbsp. lemon juice", "1 tbsp. flour", "1/2 tsp. baking powder", "1 c. finely chopped pecans (optional)"]
["Mix together butter, 2 cups flour and confectioners sugar. Press in 9 x 13-inch pan.", "Bake at 325\u00b0 for 15 minutes."]
["butter", "flour", "sugar", "eggs", "sugar", "lemon juice", "flour", "baking powder", "pecans"]