Preparation Cook potatoes in large pot of boiling salted water until just tender, about 22 minutes. Drain. Cool to lukewarm. Peel potatoes. Cut into 1/2-inch-thick slices and place in large bowl. Drizzle vinegar over; toss to coat. Cool completely. Add celery, ham, mayonnaise and chopped tarragon to potatoes; toss gently. Season with salt and pepper. Garnish with tarragon sprigs, if desired.
Preparation Cook potatoes in large pot of boiling salted water until just tender, about 22 minutes. Drain. Cool to lukewarm. Peel potatoes. Cut into 1/2-inch-thick slices and place in large bowl. Drizzle vinegar over; toss to coat. Cool completely. Add celery, ham, mayonnaise and chopped tarragon to potatoes; toss gently. Season with salt and pepper. Garnish with tarragon sprigs, if desired.