Ingredients 1.1 litres (2 pints) organic stock (chicken, fish or vegetable, as appropriate) 1 large onion. 2 cloves of garlic. 4 or 5 sticks of celery. 70 g butter , plus 1 extra knob for frying. 400 g risotto rice. 2 wineglasses of dry white vermouth (dry Martini or Noilly Prat) or dry white wine. 115 g Parmesan cheese.