Description
A foundational French sauce reduction combining espagnole and veal stock for deep umami complexity.
Technical
Hydrolysis of collagen into gelatin occurs during prolonged simmering, while Maillard reactions and caramelization intensify flavor compounds like pyrazines and furans. The reduction concentrates glutamates from veal bones and aromatics.
Culinary Significance
Serves as the base for countless classic sauces, adding body and layered meatiness to dishes.
Science
Primary Reaction
Maillard Reaction
Parameters
Temperature
90°C optimal
85°C to 95°C range
Time
6 hours
4 hours – 8 hours
Equipment
Heavy-bottomed copper sautoirChinoisSkimmer