For this easy, impressive hors d'oeuvre, Jacques Pépin tops roasted fingerling potatoes with sour cream and slender diamonds of pressed caviar. Boiled, sliced red potatoes also work.
For a healthier spin on classic enchiladas, this dish stuffs reduced-fat sour cream, diced turkey, reduced-fat shredded Swiss cheese and roasted red peppers into corn tortillas and bakes them until bubbly.