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.