1. Sift the flour, salt and sugar into a bowl.
2. Mix in the ground almonds.
3. Rub in the butter until the mixture resembles fine bread crumbs.
4. Make a well in the center.
5. Add the vanilla and the beaten egg.
6. Mix together with a round-bladed knife to form a dough.
7. Turn on to a lightly floured surface.
8. Knead for a few seconds until smooth.
9. Wrap pastry in clingfilm and chill for 30 to 40 minutes until firm, before using.

List of ingredients required:

• 150 g (5 oz) plain flour.
• Pinch of salt.
• 40 g (1 1/2 oz) caster sugar.
• 50 g (2 oz) ground almonds.
• 90 g (3 1/2 oz) butter, cubed.
• Few drops of vanilla essence.
• 1 medium-sized egg, beaten.