Chicken Enchilada Casserole

Ingredients

• 1 tablespoon olive oil
• 1 onion, finely diced
• 1 red bell pepper, finely diced
• 3 cloves garlic, minced
• 1 (4-ounce) can chopped green chiles
• 1/2 cup low-sodium chicken broth
• 1 (10-ounce) cans red enchilada sauce
• 1 tablespoon chili powder
• 1 1/2 teaspoons ground cumin
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 2 (5-ounce) pieces boneless and skinless chicken breasts
• 1 (15-ounce) can black beans, drained and rinsed
• 6 small corn tortillas
• 1 cup shredded cheddar cheese
• 1 cup shredded monterey jack cheese
• Chopped cilantro, for serving
• Sour cream, for serving