Ammonia powder is a leavening agent that is ground to a powder for baking purposes. Primarily, it is used for baking cookies and puff pastries. During baking it will give off an aroma that will quickly dissapear.
The "0.75 Ounce Ammonium Carbonate Powder Leavening Agent for Baking Cookies" is perfect for people who want to produce delicious, fluffy cookies with the right texture and rise.