Mexican Casserole

1 lb lean ground beef
1 med onion, chopped
1 can diced green chilies
1 t cumin
1/2 t pepper
1/2 t salt
1 can golden mushroom soup
1 can milk (take the empty soup can and fill it with milk)
15-20 small corn tortillas, broken into small pieces
1 1/2 c cheddar cheese

Brown beef. Add onion and green chilies, cook until onion is tender. Add cumin, pepper, and salt. Add golden mushroom soup and the one can of milk. Stir until combined. Pour soup over shredded tortillas in a greased 9x13 pan. Top with the cheese. Bake at 350 for 30-45 minutes, until bubbly.