Bring a pot of lightly salted water to a boil. Add the macaroni and cook until tender; about 8 minutes. Drain.
Meanwhile; crumble the beef mince into a 2 litre or larger casserole dish. Add the onion, celery and garlic. Cook in the microwave on High for 5 to 6 minutes; or until beef is no longer pink. Stir once during cooking. Drain off the fat.
Stir the tomatoes, pasta sauce and sugar into the beef then and season with paprika, oregano, caraway seed, cayenne pepper and salt.
Cover and cook in the microwave on power level 8 for about 14 minutes or until celery is tender and the flavours have blended.
Remove from the microwave and mix in the cooked macaroni. Cook for 2 to 3 more minutes until heated through. Serve.