Filé Powder or Filet Powder are key for Creole food especially filé gumbo.
Filé powder comes from the young leaves of sassafras, which have been thoroughly dried and powdered. Filé is a green powder. Filé powder tastes pleasantly eucalypt spiciness and is used to thicken sauces.
- Hemphill, I., Hemphill, K. (2014) The Spice and Herb Bible, Robert Rose. ISBN 9780778804932.