Crustacean Butter

Crustacean butter is used for finishing and adding complexity not only to crustacean sauces but to fish and certain meat sauces as well. It is also useful for last-minute sauces, to which the flavor of crustaceans can be added without starting an américaine-style sauce from scratch.

Crustacean butter is prepared from cooked crustacean shells. Shells with a bright orange color, such as lobster and crayfish, are best. Because crustacean butter takes considerable time to prepare, it is