Pistachio Zimtsterne is a delicious and festive cookie that is perfect for the holiday season or any time of year. This recipe yields delicate and crumbly cookies that are infused with the nutty flavor of ground pistachios and almonds and spiced with cinnamon and orange zest. The cookies are then drizzled with a sweet and creamy glaze made with powdered sugar, orange juice, milk, and vanilla extract, adding an extra layer of sweetness to these already delightful treats. Pistachio Zimtsterne is a delightful and festive cookie that is perfect for holiday parties, cookie exchanges, or as a special treat to enjoy with a cup of tea or coffee. The combination of nutty pistachios, almonds, and warming spices in a delicate and crumbly cookie is sure to impress everyone's taste buds. It is easy to make and can be made ahead of time, making it a great make-ahead dessert for busy times.