Spitzbuben - Traditional Swiss Christmas Cookies Recipe by WK | The Cook's Cook

Ingredients

• 150 grams (5 ounces/10 tablespoons) butter, at room temperature
• 350 grams (1 cup) all-purpose flour
• 130 grams (2/3 cup) granulated sugar
• 5 ml (1 teaspoon) vanilla sugar
• Finely grated zest of 1 lemon
• 1 egg
• 15 ml (1 tablespoon) lemon juice
• 15 ml (1 tablespoon) lemon essence or lemon extract
• 100 grams (about 1/3 cup) lemon jam or lemon curd or redcurrant jelly or raspberry jam
• Confectioners' sugar, as needed