INGREDIENTS
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2 tablespoons butter
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1 to 2 carrots, finely diced
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1 celery rib, finely diced
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1 onion, finely diced
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1 leek, whites finely chopped and rinsed
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1 whole bass, red snapper or halibut (about 3 pounds/1.4 kg), cleaned
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1/2 cup/125 ml white wine
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Kosher salt and freshly ground black pepper
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20 small cooked shrimp (about 7 ounces/200 g), peeled and chopped
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Handful fresh thyme leaves, chopped
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2 tablespoons vegetable oil
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Special equipment: butcher's twine