In a large pot, melt butter and sauté carrots, celery, onion, salt, pepper, and red pepper flakes for 4–5 minutes.
Stir in garlic and olive oil. Cook 1–2 minutes until fragrant.
Sprinkle in flour, stirring constantly to form a roux. Cook for 2–3 minutes.
Gradually whisk in chicken broth. Bring to a boil.
Add Sazon, bay leaves, and chicken breasts.
Partially cover and boil for 10–15 minutes until chicken is fully cooked.
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