Shortbread biscuits, a long-standing favourite

Ingredients
- egg yolks — 2
- sugar — 150 g
- vanilla sugar — 10–15 g
- salt — a pinch
- butter — 180 g
- flour — 250 g
For a festive version, add to the dough
- zest of two oranges
- cinnamon — 1 tsp
- ginger — 1/2 tsp
- nutmeg — 1/4 tsp
Method
- Cream the yolks with the softened butter, sugar and a pinch of salt, using a fork or a mixer.
- Gradually add the flour, orange zest and spices and bring the dough together. Wrap it in cling film and chill for 20–30 minutes.
- Roll out the dough on a floured surface to about 5 mm thick. Cut out the biscuits with cutters.
- Bake in an oven preheated to 180°C for about 15 minutes, until golden.