Deglaze / Déglacer

Deglazing is the technique of introducing a cold or room-temperature liquid — wine, stock, cider, vinegar, beer, water, or spirits — to a hot pan that has just been used for searing, roasting, or sautéing. The liquid immediately contacts the superheated metal and violently boils, creating steam that lifts and dissolves the browned, caramelized residue (the fond) adhering to the pan. The cook then uses a wooden spoon or spatula to scrape any remaining particles free. What results is a richly flavored liquid that becomes the base of a pan sauce through reduction and optional enrichment (with butter, cream, or additional aromatics). The choice of deglazing liquid is decisive: dry white wine suits fish and chicken; red wine suits beef and lamb; apple brandy suits pork; sherry or Madeira deepens game; water is never wrong but adds nothing of its own. Timing matters too — the pan must still be hot enough to boil off raw alcohol if wine is used, but searing heat should have subsided slightly before liquid enters so the fond has time to loosen rather than vaporize away. Déglacer is the French culinary term; the technique underpins the entire repertoire of French pan sauces and is foundational across most European and many global cuisines.

“After pulling the duck breasts from the pan, she poured in a splash of cognac to deglaze, letting it sizzle furiously before scraping up every bit of fond.”

• glossaryFond / Fond de Cuisine
• techniquesPan Sauce
• techniquesSearing

1. 1.Escoffier — Le Guide Culinaire (1903, trans. H.L. Cracknell & R.J. Kaufmann, 2011)
2. 2.Jacques Pépin — La Technique (1976)
3. 3.Thomas Keller — The French Laundry Cookbook (1999)
4. 4.Harold McGee — On Food and Cooking (revised 2004)

Confidence: high