陆 lemon, zest and juice
1kg/2lb 4oz red plums, quartered if large, halved if small, stones removed
150驳/5陆辞锄 plain flour
1 tsp baking powder
2 tbsp sugar
3 tbsp sugar
100驳/3陆辞锄 amaretti biscuits (crunchy, not morbidi)
30g/1oz unsalted butter
100驳/3陆辞锄 cold unsalted butter, cut into small dice