Grandma Johnson's Enchiladas

1 lb hamburger
onion
2 c grated cheese
1 pkg tortillas
1 can enchilada sauce, mild
1 can beef gravy
1 can tomato sauce

Cook meat and onion, add grated cheese. Heat enchilada sauce and beef gravy. Dip tortilla in sauce. Put meat misture in middle and roll up and put in pan. Pour rest of sauce over top. Put in oven 300 deg. until done. Can make day ahead, or freeze for later.