Light King Ranch Chicken Casserole

INGREDIENTS

• 1 large onion, chopped
• 1 large green bell pepper, chopped
• Vegetable cooking spray
• 2 cups chopped cooked chicken breasts
• 1 (10-ounce) can fat-free cream of chicken soup, undiluted
• 1 (10-ounce) can fat-free cream of mushroom soup, undiluted
• 1 (10-ounce) can diced tomato and green chiles
• 1 teaspoon chili powder
• 1/2 teaspoon pepper
• 1/4 teaspoon garlic powder
• 12 (6-inch) corn tortillas
• 1 (8-ounce) block reduced-fat Cheddar cheese, shredded