600g/1lb 5oz butternut squash
1 lemon, grated zest only
2 tbsp runny honey
plain flour, for dusting
40g/1陆oz golden caster sugar
2 tsp ground cinnamon
陆 tsp ground nutmeg
2 tbsp olive oil
pinch sea salt
40g/1陆oz salted butter
200g/7oz fresh custard
250g/9oz ready-rolled puff pastry