Ingredients
Butter 15g (½oz)
Onion 1, peeled and sliced
Sweet potato 1 large, peeled and cut into even-sized chunks
Parsnip 1, peeled and sliced
Swede 175g (6oz), peeled and diced
Balti paste 1 tbsp
Vegetable stock 900ml (1½ pints)
Crème fraîche and naan bread to serve, optional