In a skillet brown the meat and onion. Add the Rotel and taco seasoning. Simmer until any liquid is evaporated. Add black beans and cream cheese. Turn off the heat and stir in the cream cheese until melted and combined. Stir in the enchilada sauce.
Spray a 9×13 pan with cooking spray. Dump 1/2 of the bag of Fritos into the bottom of the pan. Top with 1/2 of the meat mixture and 1/2 of the shredded cheese. Repeat the layer Chips, meat, cheese.
Bake at 325 degrees for 20 minutes or until cheese is melted and casserole is heated through.
