1 lemon, juice and zest
3 dried chillies, rehydrated in freshly boiled water for 5 minutes, drained and roughly chopped
2 garlic cloves, finely grated
1 heaped tsp sea salt flakes
15驳/陆辞锄 sugar
60g/2录oz unsalted butter
650g/1lb 7oz suzme or thick Greek-style (strained) yoghurt