Heat the oil in a large pot over medium-high heat. Add the onion, garlic, thyme, oregano, and bay leaves and cook until the onion is softened, about 5 minutes.
Add the chicken broth, black pepper, red pepper flakes, and salt to the pot and bring to a boil. Reduce the heat to low and simmer for 10 minutes.
Stir in the cooked chicken and simmer for an additional 5 minutes.
Remove the bay leaves and serve.
Interesting Facts
This soup base can be used for many soups, such as classic chicken noodle, tortilla soup, or even a creamy chicken soup.
You can customize this soup base to your liking by adding in different herbs and spices.
Leftover soup base can be stored in the refrigerator for up to four days.