You may already have a Mac Cheese recipe you like, but I URGE you to try this one, it is sensational.
250 g macaroni (or other pasta of choice) cooked
300g carton light sour cream
1/2 cup light evaporated milk
1 cup grated tasty cheese
seasonings to taste
1 cup grated tasty cheese (extra)
3 rashers rindless bacon, chopped
2 tomatoes chopped
1. Ladle cooked pasta from hot water into a strainer to completely drain
2. Combine sour cream, evap milk, cheese and seasonings in a large bowl.
Mix well. Add cooked pasta and stir well.
3. Sprinkle tops with extra cheese, bacon, tomato (mix these together in another bowl before sprinkling if you like.
Bake in a moderate oven for 15 to 20 minutes.