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1
First make a fish stock.
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2
Heat together in a heavy pot: 1 pound bones from white-fleshed fish, washed and cut into pieces, 1/2 leek, white part only, cleaned, sliced, and rinsed, 1/2 small onion, sliced, 1/2 fennel bulb, trimmed and sliced, 4 garlic cloves, peeled and smashed, 3/4 cup dry white wine, A few black peppercorns, 1 bay leaf, 2 or 3 thyme sprigs, A big pinch of salt, 4 cups water.
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3
Bring to a boil and then turn immediately down to a simmer.
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4
Skim well and cook for 45 minutes.
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5
Strain through a fine sieve; discard the bones and vegetables.
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6
While the stock is cooking make a very rich garlic mayonnaise.
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7
Mix together: 2 egg yolks, 1 teaspoon water.
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8
Whisk in, in a slow steady stream: 1/3 cup extra-virgin olive oil.
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9
Stir in: 4 garlic cloves, pounded to a paste with a pinch of salt.
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10
Prepare the croutons.
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11
Brush: 4 slices country-style bread with Olive Oil.
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12
Lay the oiled bread on a baking sheet and toast in a 375F oven for 10 minutes, or until golden brown.
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13
Rub the croutons with: 1 garlic clove, peeled.
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14
Trim, removing any bones, and cut into 3-inch pieces: 1 pound firm white-fleshed fish (rock fish, ling cod, angler, or halibut).
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15
Season with: Salt.
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16
Pour the strained stock into a heavy pot and bring to a boil.
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17
Immediately reduce to a simmer and add the seasoned fish.
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18
Poach the fish gently for 6 minutes or until just cooked through.
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19
Remove the fish to a bowl with a slotted spoon and keep warm.
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20
Pour a few ladles of hot broth into the garlic mayonnaise and then whisk the thinned mayonnaise into the broth.
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21
Cook, stirring constantly, over medium heat until the broth is thickened and coats the spoon.
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22
Do not let the soup boil or it will curdle.
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23
Put the fish into warm bowls and pour the thickened broth over it.
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24
Garnish with the croutons.
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25
Saute together until soft 1 small onion, 1 small leek, and 1 small fennel bulb, all sliced very thin.
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26
Season with salt and add to the broth with the fish.
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27
At the same time as the fish, add 1 pound mussels, washed and beards removed.
