1 1/2 lb. ground beef
1 med. onion
1 can chicken soup
1 can cream of mushroom soup
1 can Rotel tomatoes with chilies
1 lb. shredded longhorn cheese
16 corn tortillas, cut in quarters

Brown beef. Add onions and canned food; simmer 15 minutes. Grease 13 x 9 inch casserole. Place in layers, meat first, tortillas and cheese. Repeat until all is used. Bake at 350 degrees for 30 minutes.