Lemon Filled Cookies 1 cup butter 1/2 cup confectioners' sugar 2 cups all-purpose flour 1 teaspoon lemon zest 1/2 teaspoon salt 1 egg, beaten 2/3 cup white sugar 1 1/2 teaspoons lemon zest 3 tablespoons lemon juice 1 1/2 tablespoons butter Directions 1 In a medium bowl, cream together butter and confectioners' sugar until light. Stir in the lemon peel, flour and salt. Cover bowl, and chill for about 1 hour. 2 Preheat oven to 400 degrees F (200 degrees C). 3 Flatten teaspoons of dough onto cookie sheets, and bake for 5 to 8 minutes, until light brown. Remove from baking sheets to cool on racks. 4 To make the filling, combine the beaten egg, sugar, lemon zest, lemon juice and butter in the top of a double boiler. Stir until thick. Sandwich cookies with 1 teaspoon of filling. Makes 2 dozen