Recipes: Grilled potato salad with grilled scallion vinaigrette

Preparation:   Preparation time: 15 mins Cooking time: 30 mins Serving: 4 to 6 Ingredients: 2 pounds tiny potatoes or fingerling potatoes Extra-virgin olive oil, for drizzling ½ pint fresh blueberries ¼ cup fresh mint leaves ⅓ cup pickled onions, optional 2 scallions, finely chopped Sea salt     Dressing...