200g/7oz raspberries
225g/8oz plain flour
25g/1oz cornflour
50驳/1戮辞锄 icing sugar
200g/7oz icing sugar, plus extra for dusting
250g/9oz jam sugar
陆 tsp vanilla extract
250g/9oz very soft unsalted butter
100g/3陆oz unsalted butter, softened