1 garlic clove, chopped
150g/5oz mushrooms, chopped
3 shallots, chopped
350g/12oz Arborio rice
salt and freshly ground black pepper
600ml/1 pint 1Β½fl oz hot vegetable stock
50g/2oz butter, plus a knob extra
30g/1oz freshly grated parmesan, or a similar vegetarian hard cheese
175ml/6fl oz white wine