1kg (2lb) of mixed vegetables (like those in the vegetarian chilli) chopped into 1" squares,
* 1 large butternut squash, peeled, deseeded and cut into 1 inch squares,
* 3 large onions,
* 4 cloves garlic,
* 2 x 400ml tins of chopped tomatoes,
* 1 pint vegetable stock,
* 100g (3.5oz) block of...