Fill a large pot with water and add chicken thighs. Bring to a boil, reduce heat, and simmer for 45 minutes until tender. Remove chicken, shred meat, and return to pot.
Add carrots, celery, onion, bell pepper, bouillon, and garlic. Simmer 10–15 minutes until vegetables are tender.
Stir in frozen spinach and cook 5–10 minutes.
Cook egg noodles separately in boiling water until al dente. Drain and set aside.
Add tortellini to soup and cook 10–15 minutes until tender.
Stir in cooked egg noodles. Season with salt and pepper. Heat through and serve.
Notes: