You won't miss the mayonnaise in this herb- and Dijon-infused warm salad.
Scrub 2 pounds boiling potatoes; slice 1/3 inch thick. Put in medium saucepan with salted water to cover by 2 to 3 inches. Boil until tender, 15 minutes. Drain.
In large bowl, toss hot potatoes with one half recipe Scallion Vinaigrette and 1/4 cup chopped fresh parsley.