Preheat the oven to 200°C.
Sift the flour into a large bowl, add the sugar and cut in the butter.
Using you hand knead together to form a dough.
Roll dough out into a large rectangle about ½ cm deep.
Egg wash the surface and scatter on the chopped almonds and then the sugar.
Press down gently with your hand (to stop the nuts falling off).
Cut into rectangles 2 cm x 5 cm.
Place on baking paper on 2 large baking sheets.
Bake for about 10 minutes.
Allow to cool on baking trays for a couple of minutes before transferring to a wire rack to cool.