Slow-Cooked Tex-Mex Chicken and Beans [slow cooker]

Slow-Cooked Tex-Mex Chicken and Beans

1 cup dried pinto beans, rinsed
1 jar (11 ounces) mild or medium salsa (1 1/2 cups)
2 tablespoons chopped canned chipotle chiles in adobo sauce
2 tablespoons all-purpose flour
1 1/2 pounds boneless, skinless chicken thighs
Coarse salt and ground pepper
1 medium red onion, chopped
1 red bell pepper (ribs and seeds removed), chopped
1/4 cup reduced-fat sour cream, for serving
1/4 cup chopped fresh cilantro, for serving

In a 5- to 6-quart slow cooker, stir together beans, salsa, chiles,
flour, and 1 cup water. Season chicken with salt and pepper; arrange on
top of bean mixture. Scatter onion and bell pepper on top of chicken.
Cover and cook on low heat for 8 hours. (Do not open lid or stir.)
Remove chicken from stew; shred into large pieces and return to stew.
Serve topped with sour cream and cilantro.