Set a pot on medium heat. Once hot, add olive oil, onion, and bell pepper. Saute for 2 – 3 minutes or until fragrant.
Remove the skin from the rotisserie chicken and then tear the chicken breasts into pieces.
Add the garlic, chicken, and spices to the pot and mix for 1 – 2 minutes using a wooden spatula.
Add beans, green salsa, and warm chicken broth, stir, and bring to a gentle simmer. Cover and cook for 15 minutes.
If you desire a thicker soup, mix arrowroot with 2 tablespoons of water and then add to the soup and stir immediately to thicken. Remove the soup from the heat, add cilantro, and then season to taste with sea salt & pepper.
Enjoy green chile chicken soup with avocado pieces, cilantro, and red onion slices! Store in an airtight container for 5 – 7 days in the fridge, or several months in the freezer.