For quick weeknight solutions, prepare and stuff cannelloni shells. Wrap tightly with wax paper; freeze until ready to serve. Let thaw in the refrigerator. Unwrap and place in a baking dish; top with your favorite supermarket pasta sauce, and bake as directed.
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.