Instructions

1. 1
   Whip the egg whites until creamy.
2. 2
   Sift in powdered sugar, and mix into egg whites.
3. 3
   Set aside almost a third of the resulting mass for casting.
4. 4
   Stir in the remaining mass of cinnamon and almonds, or hazelnuts and lemon zest, and knead into a dough.
5. 5
   Roll out the dough, cut out star shapes and place on the greased baking sheet.
6. 6
   Mix the remaining stiff egg white with rum until a glaze mass forms.
7. 7
   Brush the cinnamon stars with glaze.
8. 8
   Bake in a preheated oven at 160°C for about 20 minutes.