
Whole roasted fish is one of those showstopper meals that looks far more impressive than the effort it actually takes. Two beautiful fish — branzino, sea bass, or red snapper all work wonderfully — get stuffed with lemon rounds, fresh thyme, rosemary, garlic, and parsley before roasting on a bed of fennel and zucchini until the skin crisps and the flesh turns perfectly flaky. The combination of bright citrus, fragrant herbs, and good olive oil is pure Mediterranean magic, and the vegetables soak up every bit of those savory roasting juices underneath. Scoring the fish before seasoning is a small step that makes a real difference, helping the heat and flavors penetrate all the way through to the bone. Everything cooks together on a single baking sheet, which means minimal cleanup and maximum flavor payoff. Since this recipe is built entirely around fresh fish, produce, and pantry staples, there are no hidden additives or processed ingredients to second-guess — just clean, whole-food cooking from start to finish. Finish with a squeeze of fresh lemon and a scatter of parsley, and you have a dinner that genuinely tastes like a seaside restaurant brought to your kitchen table.
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Preheat the oven to 425°F (220°C). Toss the zucchini and fennel with 1 tbsp of the olive oil, the dried oregano, and a pinch of salt and pepper on a large rimmed baking sheet, then spread them into an even layer.
Pat the fish completely dry inside and out with paper towels. Using a sharp knife, cut 3 diagonal slashes about 1/2 inch deep through the thickest part of each fish on both sides — this helps the fish cook evenly and allows the seasoning to penetrate.
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