Springerle

Directions

1. 1
   Stir sugar into beaten egg yolks.
2. 2
   Beat whites until stiff, add to egg yolks and sugar.
3. 3
   Stir vigorously for 10 minutes.
4. 4
   Crush ammonium carbonate thoroughly and add to mixture, along with anise oil and lemon rind.
5. 5
   Add flour in several portions, combining well. Divide dough into 3 or 4 portions.
6. 6
   Turn one out onto floured board and place others in refrigerator.
7. 7
   Roll out 1/4-inch thick.
8. 8
   Dust springerle board with flour, by tying flour into a twist of cheesecloth and striking it lightly against the board.
9. 9
   Stamp sheet of dough firmly with the floured springerle board.