Add the chopped vegetable flesh and the tomato purée. Cook for about 10 minutes until softened. Add the rice and 150ml/5fl oz of the vegetable stock, raise to a simmer and and cook for 10 minutes ...
You can add any veg you like to this versatile stew. Just add root vegetables and squash at the beginning, green vegetables towards the end and frozen peas or sweetcorn at the last minute.