Brown ground beef, drain if needed.
Add in black beans, corn and taco seasoning to meat and mix well.
In a blender, combine rotel and cream of chicken till smooth.
Grease an 8x8 baking dish and place 3 corn tortillas at the bottom of dish.
Pour 1/2 the meat mixture on top of corn tortillas and spread out evenly.
Add 4 slices of cheese on top.
Repeat corn tortillas, meat mixture and cheese.
Add 3 more corn tortillas to the very top of casserole and then pour the sauce over the top, using a spoon to get it down the sides and to the bottom of the casserole. Don't overflow the dish, you may have a little sauce leftover.
Cover casserole in foil and bake at 350 degrees for 1 hour.
Remove from oven and serve hot.