Galette

750g/1lb 10oz ready-made all-butter puff pastry, chilled

plain flour, for dusting

1 free-range egg, beaten, to glaze

100g/3½oz unsalted butter, softened

100g/3½oz caster sugar

1 large free-range egg, plus 1 yolk, at room temperature

100g/3½oz ground almonds

50g/1¾oz flaked almonds

1 tsp almond extract