Instructions: Cook macaroni in boiling salted water according to instructions.

Meanwhile, chop onion and crush garlic, if using, and microwave for five minutes. Put tomatoes, flour, [oil] and half the can of water into food processor (you can, if you like and 2 tablespoons of dried skimmed milk powder, but you dont have to) and whizz until smooth.

Put onions and tomato mixture into saucepan, and bring to the boil, stirring all the time. When it is boiling, it will change colour and go a much deeper pink. Turn off heat, add half the cheese and the sweetcorn. You might also like to add some chopped bacon, if you are not a vegetarian. Season to taste - I use salt, pepper, Worcester sauce - also fresh basil, if I have it; oregano, etc.

Combine macaroni and sauce in an oven-proof dish and top with the breadcrumbs mixed with the remainder of the grated cheese.

Cook in a moderate oven for about 30-45 minutes (it is pretty forgiving). Serve with salad.

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