Warm Potato Salad with Goat Cheese

INGREDIENTS

• 2 pounds red potatoes, scrubbed well and cut into 3/4-inch pieces
• Coarse salt and freshly ground pepper
• 2 tablespoons white-wine vinegar
• 1 teaspoon Dijon mustard
• 3 tablespoons extra-virgin olive oil
• 3 ounces crumbled goat cheese (1/2 cup)
• 1 celery stalk, finely chopped
• 1 small shallot, finely chopped
• 2 tablespoons finely chopped fresh flat-leaf parsley