Grilled Potato Salad with Watercress Green Onions and Blue Cheese Vinaigrette

Name: Grilled Potato Salad with Watercress, Green Onions and Blue Cheese Vinaigrette
Ingredients: 12 red new potatoes, skin on, par boiled, sliced 1/4-inch thick; Olive oil; Salt and pepper; 1/4 cup aged sherry wine vinegar; 1 small shallot, coarsely chopped; 1 tablespoon Dijon mustard; 1/2 cup olive oil; 1/2 pound watercress, coarsely chopped; 2 green onion, coarsely sliced; 1/2 cup crumbled Cabrales blue cheese; Grilled Quail, recipe follows; 3 tablespoons ground white pepper; 3 tablespoons coarsely ground black pepper; 3 tablespoons kosher salt; 2 tablespoons olive oil; 5 quail, de-boned