Dolly Parton's Christmas Sugar Cookies

Ingredients

 * 1 	cup  	Sugar
 * 3 	cup 	Sifted flour
 * 1 1/2 	tsp 	Grated lemon rind
 * 2 	cup 	Butter, softened
 * 2 	large 	Egg yolks

Directions
Cream sugar and butter in a medium-size bowl. Beat in eggs, then flour and lemon peel. Knead gently together. Don't overwork the dough, but make sure it's consistent. Chill dough for 3 hours. Preheat oven to 350°F. Roll out dough with rolling pin. Cut into shapes and place on greased cookie sheets. Bake until tops get pinkish-brown, about 8 minutes.
 * Makes 2 to doz. cookies, depending on size.