Springerle - cooking recipe

Ingredients

11 large eggs
2 lb. powdered sugar (C&H)
1 c. granulated sugar
1 Tbsp. ammonium carbonate (hartshorn)
1/2 oz. anise oil
9 c. all-purpose flour, sifted once

Preparation

All the ingredients should be at room temperature.
Baking sheets should be greased and floured.