Green Chile Enchilada Casserole

homemade green chili enchilada sauce (or two cans)

corn tortillas

cooked & shredded chicken (I use both dark and light meat)

can black beans (drained and rinsed (I use cuban black beans from TJ's))

frozen corn (I use frozen Roasted Corn from TJ's)

shredded cheese (I use the Mexican blend pre-shredded from TJ's)

sour cream and avocado for serving