60²µ/2¼´Ç³ú Bramley apples, peeled and thinly sliced
½ tsp almond extract
100²µ/3½´Ç³ú caster sugar
15²µ/½´Ç³ú flaked almonds
100²µ/3½´Ç³ú self-raising flour, plus extra for dusting
75²µ/2¾´Ç³ú butter, melted, plus extra for greasing
crème fraîche, to serve (optional)
1 free-range egg, beaten