Instructions:

• Preheat your oven according to the recommended temperature for baking cookies.
• In a stand mixer, beat the softened butter until smooth and creamy.
• Add the grated cheese to the butter and mix well until fully combined.
• Gradually add the sifted flour, cornstarch, and powdered milk to the mixture. Stir until the dough comes together and can be easily formed into shapes.
• Roll out the dough on a floured surface to a thickness of about 1 cm.
• Cut the dough into rectangular shapes according to your desired size for Kastengel.
• Place the cut-out dough pieces onto a baking sheet lined with parchment paper.
• Brush the top of each Kastengel piece with the egg spread mixture.
• Sprinkle grated cheese on top of each Kastengel piece.
• Bake the Kastengel in the preheated oven using the Cookies menu or until they turn dry and golden brown.
• Once baked, remove them from the oven and let them cool on a wire rack.
• Once cooled, the Kastengel is ready to be served.