FISH FUMET FOR CLASSIC FISH CHOWDER

Fish Fumet for Classic Fish Chowder image

Provided by Martha Stewart

Yield Makes 2 quarts

Number Of Ingredients 13

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3 tablespoons extra-virgin olive oil
1 shallot, thinly sliced
2 leeks, thinly sliced and rinsed well
2 fennel bulbs, coarsely chopped
2 celery stalks, coarsely chopped
2 pounds hake or cod heads, tails, and bones, cut into 2-inch pieces
5 whole black peppercorns
1 fresh bay leaf
1 teaspoon coriander seeds
3 stems fresh tarragon
3 stems fresh flat-leaf parsley
3 stems fresh chervil
15 fresh chives

Steps:

Heat a 12-quart stockpot over low heat. Add oil, shallot, leeks, fennel, and celery, and cook, stirring frequently, until softened, about 30 minutes. (Do not let vegetables brown.)
Add fish heads, tails, and bones, and cook until just starting to release their juices, 10 to 15 minutes. Add peppercorns, bay leaf, coriander, and water to cover bones by 1 inch. Raise heat to high, and simmer, then immediately reduce heat to medium-low. Simmer gently for 30 minutes, skimming any foam that rises to the surface; discard foam. (A hard boil will break the fish apart and make your fumet cloudy and bitter.)
Turn off heat, and add tarragon, parsley, chervil, and chives. Cover, and let steep for 20 minutes.
Strain fumet through a fine sieve lined with cheesecloth set over a large container. Cover, and refrigerate for up to 1 day (or freeze for up to 3 months; thaw before using).