Slow cooker vegetarian hotpot. This slow-cooker vegetarian stew with fluffy dumplings, is a cheap and easy recipe. To make it vegan, use vegetable suet in the dumplings instead of butter. This dish is perfect for batch cooking, just divide it up into indiviudal portions and you will always have warming stew at your fingertips, check the tips section for freezing instructions. Equipment and preparation: For this recipe you will need a 6.5 litre/11½ pint slow-cooker. This meal provides 629 kcal, 13g protein, 79g carbohydrate (of which 24g sugars), 29g fat (of which 11g saturates), 16g fibre and 1.8g salt per portion.