Chinese Health Soup

Ingredients:
- 48 ounces chicken broth
- kosher salt & freshly ground black pepper
- 1 lb ground chicken breast
- 2 tablespoons hoisin sauce
- 1 bunch watercress, tough stems removed
- 6 green onions, sliced thin

Directions:
- Bring broth to a boil.
- Meanwhile, combine chicken, hoisin sauce, and 1/4 teaspoon pepper; form into 8 2-inch meatballs.
- Spray a large skillet with cooking spray and heat over medium high heat.
- Cook meatballs, turning frequently, until well browned, about 6 to 8 minutes; reduce heat, cover, and cook through, an additional 5 to 6 minutes.
- Add meatballs, watercress, and green onions to the hot broth and stir to wilt watercress.