Allrecipes lists several chicken enchilada casserole recipes that are easy to make. The recipes vary by requiring either red or green enchilada sauce or a cream-based sauce. Gimme Some Oven has a chicken enchilada casserole that includes corn and black beans.
To prepare Gimme Some Oven’s chicken enchilada casserole, preheat the oven to 375 degrees F and grease a 9-by-13-inch dish. Spread 3/4 cup of red enchilada sauce in the dish. Cover with 8 corn tortilla halves, 1 cup of rinsed canned black beans, 1/2 cup of drained canned corn and 2 thinly sliced scallions. Add 1 heaping cup of shredded chicken and 3/4 cup of shredded cheese.
Add another layer of tortillas and sauce. Repeat the layering process two more times, finishing with a layer of tortillas and sauce. Cover with foil, and bake for 20 minutes. Remove foil, and add 3/4 cup of shredded cheese. Bake for another 10 minutes.