Shortbread Cookies are classic Italian shortbread cookies known for their delicate texture and rich buttery flavor. Here is a simple recipe to prepare these delicious biscuits at home:

Ingredients:
250 g (2 cups) all-purpose flour
125 g (1/2 cup) granulated sugar
125 g (1/2 cup) unsalted butter, cold, cut into pieces
1 egg
1 teaspoon vanilla extract
A pinch of salt
Zest of one lemon (optional, to add flavor)
Instructions:
Prepare the dough: