Certain cookies just have to be Christmas Cookies. This Cinnamon Star Cookie Recipe, or Zimt Sterne, is one of those. These flavorful cookies have a strong, cinnamony/lemony taste. The cookie is dense and a little chewy, and the meringue on top is light, sweet, and crisp. Zimt Sterne’s ingredients are simple: almonds, egg whites, powdered sugar, cinnamon, and lemon zest. As…