• 1 medium potato, peeled and chopped
• 1 onion, peeled and chopped
• 1 tbsp sunflower oil

Fry the potato and onion gently in the oil for a few minutes without browning. Wash, trim and roughly chop the green vegetables as appropriate. Any tough ones, such as fennel or celery, should be put on to cook at this stage. Add about ¼ pt / 140