Ingredients

• 1 cup butter
• 0.5 cups confectioners' sugar
• 2 cups all-purpose flour
• 1 teaspoon lemon zest
• 0.5 teaspoons salt
• 1 egg , beaten
• 0.67 cups white sugar
• 1.5 teaspoons lemon zest
• 3 tablespoons lemon juice
• 1.5 tablespoons butter

Instructions

1. 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. 2 Preheat oven to 400 degrees F (200 degrees C).
3. 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. 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.

Nutrition per serving