Step #2 Heat oil in large pan; cook onion, garlic, stirring, bacon & carrot, til carrot is just tender - about 8 mins *.
Step #3 Add mince & cook, til mince changes colour; then add undiluted soup, tomato paste, stirring, sauce & oregano & let simmer, covered, about 15 mins or til mixture has thickened slightly.
Step #4 While beef mixture is simmering, cook pasta & drain.
Step #5 Stir pasta into beef mixture, then spoon into an oiled deep 8 c capacity ovenproof dish & sprinkle with cheese.
Step #6 Bake, uncovered, for 15 mins or until browned slightly.
Step #7 *If you want to, you can add a stick of sliced celery along with the onion etc or add some mushrooms just before the mince.