
Whole roasted fish is one of those showstopper meals that looks far more impressive than the effort it actually takes. Two whole fish — branzino, sea bass, or red snapper all work beautifully — get stuffed with lemon rounds, fresh thyme, rosemary, garlic, and parsley before hitting a screaming-hot oven alongside a bed of sliced zucchini and fennel. The result is crispy-skinned, fragrant, and deeply flavorful in a way that feels genuinely restaurant-worthy. Because this dish is built entirely around fresh fish, vegetables, olive oil, and herbs, there's nothing hidden to worry about — it's naturally free of any pork-derived ingredients from start to finish. Diagonal slashes cut into each fish before roasting are a small but smart move, letting the seasoning work its way into the flesh and ensuring even cooking all the way through. A squeeze of fresh lemon at the table ties everything together and brightens all those savory, herb-forward notes. This is the kind of weeknight-or-weekend recipe that earns serious compliments with very little fuss.
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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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