Baker's Ammonia (Ammonium Bicarbonate). Pure food grade baker's ammonia with no additives or fillers. Historically referred to as hartshorn powder, it is a leavening agent for springerle, speculaas, and other traditional cookies. Baker's ammonia provides a unique crispness and light texture in baked goods.
Use by 1/2026
4 oz package
NOTE: Do not eat raw or undercooked dough containing Baker's Ammonia.