Ingredients:

• 4 turkey thighs, skin on, bone-in
• Salt
• 4 tablespoons extra virgin olive oil
• 1 large yellow or white onion, roughly chopped
• 1 to 2 large parsnips, peeled, cut into 1-inch pieces
• 2 to 3 large carrots, peeled, cut into 1-inch pieces
• 3 cups chicken or turkey stock
• 2 tablespoons brown sugar
• 1/3 cup yellow mustard
• 1 heaping tablespoon dry mustard powder
• 2 teaspoons chipotle or chili powder
• 4 to 6 Yukon Gold or other yellow potatoes, peeled, cut into 1-inch pieces
• 1 cup (packed) mustard greens, arugula, spinach, or parsley, roughly chopped
• 1/4 cup whole-grain mustard