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1
Preheat the oven to 400F.
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2
Bring a large pot of water to a boil and add salt.
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3
Cut the lemons in half and squeeze the juice into the salted water.
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4
Drop in the shells.
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5
Add the artichoke hearts, carrots, and fennel.
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6
Cook until all the vegetables are tender, about 12 minutes.
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7
Drain and spread on a baking sheet to cool.
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8
Season the fish steaks on both sides with salt and pepper and then season each steak with 1/2 teaspoon of the herbs.
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9
Heat the olive oil in a heavy, ovenproof saute pan over medium-high heat until hot.
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10
Add the fish and sear for about 2 minutes on each side.
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11
Remove the fish to a plate.
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12
Replace the pan over medium-high heat and add the artichokes, carrots, and fennel.
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13
Season with salt and pepper and the remaining 1/4 teaspoon herbes de Provence.
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14
Saute until brown, about 3 minutes.
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15
Arrange the fish on top of the vegetables and place the pan, uncovered, in the oven to finish cooking, about 10 minutes.
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16
When cooked, remove the fish and vegetables to a warm platter and keep warm while you make the sauce.
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17
Place the saute pan over medium-high heat and add the wine.
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18
Bring to a boil, stirring and scraping all the browned bits from the bottom and sides of the pan.
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19
Cook until reduced by about two-thirds (this is a brothy sauce).
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20
Stir in the fennel leaves and the butter, if using.
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21
Taste for seasoning and pour over the fish.
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22
Serve immediately.