1 cup pastina (tiny pasta)
1 lb chicken breast, boneless and skinless
1 medium carrot, diced
1 celery stalk, diced
1 small onion, finely chopped
3 cloves garlic, minced
1 bay leaf
8 cups low-sodium chicken broth
Salt and pepper to taste
1 tsp dried thyme
1 tsp dried parsley
Juice of 1 lemon
2 cups fresh spinach, roughly chopped
Grated Parmesan cheese for garnish