200g/7oz baby courgettes, halved lengthways
2 onions, quartered, then halve each quarter lenghtways
260驳/9陆辞锄 spinach
225g/8oz plain flour, plus extra for dusting
salt and freshly ground black pepper
1-2 tbsp olive oil
175g/6oz cold butter, cubed
300ml/10fl oz double cream
1 free-range egg, beaten
4 free-range eggs
180g/6陆oz gruye虁re cheese (or vegetarian alternative), grated