Whisk the egg white and the sugar together to form a smooth paste. Brush a leaf of brick pastry with the icing sugar paste, then lay large mint leaves over the pastry. Dust with icing sugar. Roll it up to form a roulade and chill for 30 minutes in the fridge.
3
Use a sharp knife to cut the pastry into shreds. Unravel the shreds to create small bundles. Bake on a parchment sheet on a cookie tray until golden, about 12 minutes.