Preheat oven to 400F.
Mix all the meatball ingredients together and roll into 1-inch meatballs.
Lightly spray a sided baking sheet. Place meatballs on the baking sheet and bake for 15 min.
Meanwhile, add the onion, carrots, celery, garlic, thyme, oregano, and chicken broth to a slow cooker.
Add the cooked meatballs. Add salt and pepper to taste. Cook for 6-8 hours on low.
Add the spinach and pasta in the last 20 - 30 minutes. Adjust seasonings.
Top with Parmesan and serve.
