Lowfat macaroni cheese with turkey.
Put the onion and stock in non-stick skillet; bring to the boil, stirring ocassionally. Cook for 6 minutes until the stock is reduced completely.
In a saucepan, whisk the margarine, flour, milk and seasoning over medium heat until thickened and smooth. remove from heat; add cheese, mustard and onion.
Cook the macaroni according to packet directions.
Transfer to a shallow flameproof dish. Arrange turkey slices and tomatoes over macaroni cheese. Sprinkle with basil leave and parmesan; grill to brown lightly.