Fortify

Fortifying is the act of enriching a sauce, stock, or cooking liquid by incorporating a more concentrated version of itself or a complementary high-intensity liquid. In classical brigade cooking, a stock is fortified by adding a separately made glace de viande (meat glaze) or demi-glace — reduced stocks of extraordinary concentration — to build viscosity and savory depth without extending cooking time. Wines and spirits serve the same purpose: a Madeira or Marsala reduction folded into an espagnole adds aromatic complexity; a splash of Cognac reduced to a syrup fortifies a pan sauce with fruit and wood notes. The distinction from simple 'adding liquid' is intent and concentration: fortification always introduces something of greater intensity than the base. The fortifying agent should be reduced separately first, or added in small quantities and allowed to marry for several minutes over heat so that alcohols burn off, volatile acids mellow, and the flavors knit seamlessly into the sauce. Over-fortification — adding too much glace or reducing too aggressively after fortification — yields a sauce that tastes sharp, unidimensional, or overly salty. Used judiciously, fortification transforms a thin, pale jus into a glossy, full-bodied sauce that coats the back of a spoon.

“He fortified the pan sauce with a spoonful of warm veal glaze, watching it dissolve and pull the thin jus into a gleaming, coat-the-spoon consistency.”

• TechniqueReduction
• TechniqueGlace de Viande
• ConceptDemi-glace

1. 1.Sauces: Classical and Contemporary Sauce Making — James Peterson
2. 2.The Professional Chef, 9th ed. — The Culinary Institute of America
3. 3.Escoffier: The Complete Guide to the Art of Modern Cookery — Auguste Escoffier
4. 4.Larousse Gastronomique — Prosper Montagné et al.

Confidence: high