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1
In a small bowl, whisk together the juice of 1 lemon, the olive oil and saffron.
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2
Season the fish fillets with coarse salt and pepper.
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3
Place in a nonaluminum dish in a single layer.
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4
Pour the oil mixture over the fish and turn to coat.
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5
Cover and refrigerate for 1 to 2 hours.
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6
Preheat an oven to 450 degrees.
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7
Spray a roasting pan with nonstick cooking spray and place in the oven until it is hot, about 5 minutes.
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8
Sprinkle a little coarse salt on the bottom of the hot pan.
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9
Lift the fish fillets from the marinade, reserving the marinade, and place them, skin sides down, on the hot pan.
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10
Roast until opaque throughout when pierced with a knife, 7 to 10 minutes.
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11
Meanwhile, prepare the vegetables: In a large nonaluminum saute pan over medium-high heat, warm the olive oil.
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12
Add the shallots and saute until they begin to soften, 2 to 3 minutes.
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13
Add the saffron and continue to cook until the shallots are soft, about 4 minutes more.
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14
Transfer about 1 tbsp.
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15
of the shallots to a small dish and set aside.
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16
Increase the heat under the saute pan to high.
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17
Working in 3 batches, add the spinach leaves to the shallots remaining in the pan.
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18
Saute, tossing constantly, until the spinach is wilted but still bright green, 4 to 5 minutes.
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19
Transfer to a plate, season with coarse salt and pepper, and keep warm.
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20
Place the saute pan over medium heat and add the reserved shallots.
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21
Add the zucchini and cook, stirring occasionally, until it begins to soften, 2 to 3 minutes.
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22
Add the tomatoes and cook, stirring, until the tomatoes begin to soften, 3 to 4 minutes.
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23
Add the reserved marinade, increase the heat to high, and cook until the sauce is slightly thickened and the vegetables are just tender, 5 to 7 minutes more.
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24
Season with coarse salt, pepper and lemon juice.
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25
Mound a portion of the spinach in the center of each individual plate.
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26
Top each with a fish fillet and spoon the zucchini mixture over the fish.
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27
Dust the fish and the plate with the parsley.
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28
Cut the remaining lemon into wedges and divide among the plates.
