Spinach & Ricotta Cannelloni

First make the tomato sauce. Heat the oil in a large pan and fry the garlic for 1 min. Add the sugar, vinegar, tomatoes and some seasoning and simmer for 20 mins, stirring occasionally, until thick. Add the basil and divide the sauce between 2 or more shallow ovenproof dishes (see Tips for freezing, below). Set aside. Make a sauce by beating the mascarpone with the milk until smooth, season, then set aside.

Put the spinach in a large colander and pour over a kettle of boiling water to wilt it (you may need to do this in batches). When cool enough to handle squeeze out the excess water. Roughly chop the spinach and mix in a large bowl with 100g Parmesan and ricotta. Season well with salt, pepper and the nutmeg.