Tuna Niçoise Canapes
This clever version of salad niçoise comes from Flavors Catering in New York City. Use potatoes about 1 1/2 inches in diameter so that the hors d'oeuvres will be the same size. Thin green bean tips are used for garnish; the rest of them can be tossed into a green salad.
Slideshow: Cocktail Party Recipes