INGREDIENTS
1 1/2 cups butter, softened
2 cups white sugar
1 cup powdered sugar
½ zest of one lemon (or 1 T lemon juice)
4 eggs
2 teaspoons vanilla extract
5 cups all-purpose flour
2 teaspoons baking powder
1 teaspoon salt

DIRECTIONS
In a large bowl, cream together butter and sugar until smooth. Beat in eggs, lemon juice, and vanilla. Stir in the flour, baking powder, and salt. Cover, and chill dough for at least one hour (or overnight). Preheat oven to 400 degrees F. Roll out dough on floured surface 1/4 to 1/2 inch thick. Cut into shapes with any cookie cutter. Place cookies 1 inch apart on ungreased cookie sheets covered in parchment paper.
Bake approximately 5-6 minutes in preheated oven. Do not overcook! Cool completely.