Cinnamon

Cinnamon is a spice that is used by both humans and Smurfs.

Empath: The Luckiest Smurf stories
Cinnamon in the EMPATH: The Luckiest Smurf story series is used by Greedy Smurf in the preparation of various food items like Schtroumpf toast and morning muffins. It is also used as a seasoning in Tapper's cinnamon treebark brew that he serves in his tavern.