Mukimo (green mashed peas and potatoes)

Instructions

1. Peel the potatoes, cut them into large chunks and put them in salted water.
2. Add the peas and sweetcorn, bring to the boil, then cook for 20 minutes until the vegetables are very soft.
3. Meanwhile, wash and roughly chop the pumpkin leaves or spinach, then steam them for 5 minutes.
4. Drain the vegetables and roughly mash them with a pestle or a fork.
5. Add the butter, the cooked leaves and a little milk if you like, then mix until you have a green mash.
6. Season with salt and pepper, then serve hot.