60g/2¼oz Bramley apples, peeled and thinly sliced
½ tsp almond extract
100g/3½oz caster sugar
15g/½oz flaked almonds
100g/3½oz self-raising flour, plus extra for dusting
75g/2¾oz butter, melted, plus extra for greasing
crème fraîche, to serve (optional)
1 free-range egg, beaten