Brown beef and onions in ... except cheese and chips, and simmer 5 minutes. In a 2 quart casserole alternate layers of meat mixture ... degrees for 15-20 minutes.
Cook or saute onions and ... start with 2 tortillas, 1/2 meat mixture, 1/2 ... Sprinkle with corn chips and cheese. Bake at 350 ... or until cheese melts.