Combine the chicken, beans, green chiles, bell pepper, garlic, Tajín, oil, onion powder and cumin in a 3- to 4-quart slow cooker. Season with 1½ teaspoons salt. Cook on low until the chicken is tender and the pepper is soft, 4 hours.
1 lb Boneless, skinless chicken thighs, 15 oz Can of pinto beans, rinsed, 6 oz Green chiies, not drained, chopped , 1 ea Red bell pepper, sliced into 1/4" strips, 3 ea Garlic cloves minced, 1 Tbsp Tajín seasoning, 1 Tbsp Olive oil, 1/2 tsp Onion powder, 1/4 tsp Cumin