
Flaky, golden-edged mackerel fillets rubbed with turmeric, smoked paprika, and sea salt — then baked at high heat until perfectly tender — make for a weeknight dinner that feels genuinely special. The combination of thinly sliced lemon rounds, scattered garlic, and a generous drizzle of extra-virgin olive oil keeps everything moist and fragrant while the oven does the heavy lifting. Fresh parsley, dill, and thyme go on right at the end, so their bright, herby punch stays front and center rather than wilting away. For anyone navigating tree nut concerns, this dish is a natural fit — every ingredient here is straightforward and easy to source without worrying about shared-facility warnings or hidden nut-based coatings that sometimes sneak into spice blends or marinades. Mackerel is an underrated weeknight hero: it's rich in flavor, holds up beautifully to bold spices, and cooks fast at high heat. A squeeze of lemon wedge over the top right before eating ties the whole plate together. Serve it alongside roasted vegetables or a simple green salad and dinner is done.
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Preheat the oven to 425°F (220°C). Line a rimmed baking sheet with parchment paper and drizzle 1 tbsp of the olive oil evenly over the surface.
In a small bowl, stir together the turmeric, smoked paprika, black pepper, and salt. Pat the mackerel fillets dry with paper towels, then rub both sides of each fillet with the spice mixture.
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