Brown meat and onion in skillet, Add chili, spices and cook until meat is done. Set aside.
Spray a 13 x 9 inch casserole dish with cooking spray. Place your first layer of tortillas in dish, spread meat mixture and add cheese, place another layer of tortillas, meat and cheese. Pour remainder of meat on top add cheese and place in oven at 375* about 25 minutes or until cheese is melted and bubbly.