What You Need to Know
Low-temperature steeping (60-80°C) of crushed crustacean shells promotes extraction of savory amino acids (glutamate, glycine) while minimizing sulfurous thiazole formation from overheating.
Creates a cleaner shellfish essence than boiling, ideal for refined sauces and poaching liquids.
Key Parameters
Temperature
75°C
60°C - 80°C
Time
30 minutes
20 minutes - 45 minutes
Equipment
Pestle and mortar (non-reactive)ThermocirculatorCheesecloth/muslin
Steps
- 1.
Homard à la Nage (Le Bernardin): Poaching medium for lobster
- 2.
Bisque élégante (Pierre Gagnaire): Base layer refinement
The Science
Primary Reaction
Lipid extraction and emulsification