Cutout cookies filled with preserve recipe

Ingredients

• 100 g
• sugar
• 200 g
• butter, cold! (cut in small pieces)
• 300 g
• flour
• egg yolk
• 1 pack(s)
• vanilla sugar, optional
• 1 pinch(es)
• salt, optional
• For the Filling:
• jam, apricot, raspberry, strawberry, or other
• For dusting:
• 25 g
• icing sugar