Method
Peel the squash and cucumber and cut into small chunks (no need to peel courgette)
Peel shallots and cut beans into strips, break the cauliflower into florets,
place all these on a large dish, in layers, with a handful of salt between layers
and a sprinkling on top
Leave overnight
Shake of excess salt and put
vegetables into a large pan and cover with the vinegar
Add mustard seeds
and chillies and boil all together for 15 minutes
Mix the turmeric, sugar,
mustard powder and cornflour, with a little water, to a smooth paste
Add
paste to the pan of vegetables, slowly stirring all the time
Return the
piccalilli to the boil and cook for a further 5 - 8 minutes stirring constantly
Pour
into hot jars and cover and tie down when cool