Grilled Fingerling Potato Salad with Lobster and Watercress

Name: Grilled Fingerling Potato Salad with Lobster and Watercress
Ingredients: 2 tablespoons Dijon mustard; 1 heaping tablespoon whole-grain mustard; 1 tablespoon honey; 3 tablespoons white wine vinegar; Salt and freshly ground black pepper; 1/2 cup extra-virgin olive oil; 2 tablespoons chopped fresh cilantro leaves; 15 fingerling potatoes, parboiled in salted water and drained; Canola oil; 2 (8-ounce) lobster tails, parboiled, grilled and flesh coarsely chopped; 1 bunch watercress, coarsely chopped