filé powder

Filé powder, also known as gumbo filé, is a spice made from ground dried leaves of the sassafras tree (Sassafras albidum), native to eastern North America. The ingredient consists of young, tender leaves that are harvested, dried, and finely ground into a pale green powder with an earthy, slightly vanilla-like aroma and mild anise undertones. Traditional preparation involves hand-drying leaves in the sun before grinding; the powder's texture should be fine and free-flowing. Filé became a signature ingredient in Louisiana Creole cuisine, particularly among the Choctaw people who originally used sassafras leaves as a thickening agent.

The flavor is subtle and complex—aromatic with hints of sweet spice—and the thickening properties derive from the mucilaginous compounds in sassafras leaves. Quality filé should be vibrant in color and stored in airtight containers away from light and heat, as it loses potency over time. The ingredient represents a fusion of Native American, African, and French culinary traditions in the American South.

Filé powder is primarily used in Louisiana Creole and Cajun cooking as both a flavoring agent and thickener in gumbo, where it is traditionally stirred in at the end of cooking or sprinkled over individual bowls to avoid clumping. Beyond gumbo, it seasons soups, stews, and rice dishes with its distinctive earthy character. It pairs particularly well with seafood, okra, and meat-based dishes. Filé must be added after cooking is complete and the roux has cooled slightly, as heat can cause it to become stringy; it should never be cooked directly in the liquid.