Doritos Chicken Casserole

Ingredients

• 3 cups cubed cooked chicken breast
• 1 can (15 ounces) black beans, rinsed and drained
• 1 can (10 ounces) diced tomatoes and green chiles, drained
• 1 can (10-1/2 ounces) condensed cream of chicken soup, undiluted
• 1 can (8-3/4 ounces) whole kernel corn, drained
• 1/4 cup reduced-sodium chicken broth
• 1 tablespoon taco seasoning
• 1 package (9-1/4 ounces) Doritos nacho chips, crushed, divided
• 3 cups shredded cheddar cheese, divided
• Optional: Sour cream, chopped avocado, salsa, minced cilantro