Asian Turkey-Noodle Soup

INGREDIENTS

• Bones of a leftover turkey
• 1 sliced medium onion
• 1/4 cup chopped fresh ginger
• 6 smashed garlic cloves
• 1/2 teaspoon red-pepper flakes
• 1 Napa cabbage, thinly sliced (about 6 cups)
• 4 ounces Asian rice noodles
• 2 tablespoons rice vinegar
• 1 tablespoon soy sauce
• Coarse salt
• Cilantro sprigs, for garnish (optional)
• Lime wedges, for garnish (optional)