Crockpot Chicken Enchilada Casserole - Easy Weeknight Dinner

Name: Crockpot Chicken Enchilada Casserole - Easy Weeknight Dinner
Cuisine: American, Mexican, Latin American
Ingredients: 2 cups shredded cooked chicken; 1 can (15 oz) black beans, drained and rinsed; 1 can (15 oz) corn, drained; 1 can (10 oz) diced tomatoes with green chilies; 1 can (10 oz) enchilada sauce; 1 cup shredded cheddar cheese; 1 cup shredded Monterey Jack cheese; 1 packet of taco seasoning; 10 small corn tortillas, cut into strips; Optional toppings; Chopped cilantro; Sour cream; Sliced avocado; Lime wedges; Fresh chopped cilantro sprinkled on top; A dollop of sour cream; Slices of avocado