4 dessert apples
1 unwaxed lemon, finely grated zest and juice
100驳/3陆辞锄 plain flour
1陆 tsp baking powder
75g/2戮oz demerara or light brown sugar
100驳/3陆辞锄 caster sugar
陆 tsp ground cinnamon
70g/2陆oz cold butter, cut into small pieces
100驳/3陆辞锄 unsalted butter, at room temperature, plus extra for greasing
2 large free-range eggs