Nitrate & Nitrite Free Herb-Baked Mackerel with Lemon and Olive Oil
Mackerel is one of those deeply flavorful, omega-rich fish that deserves way more time in the spotlight, and this herb-baked version is a genuinely satisfying way to enjoy it. The fillets get rubbed with a warm spice blend of turmeric, smoked paprika, and black pepper before hitting a hot oven, so the result is fragrant, golden, and full of character without relying on any cured or processed ingredients. That matters more than it might seem — smoked and cured fish products are common sources of hidden preservatives, so building bold flavor through spices, fresh herbs, and good olive oil is the smart move here. Lemon rounds roast right alongside the fish, softening and caramelizing into something almost jammy, while a generous finish of fresh parsley, dill, and thyme keeps everything bright. The whole thing comes together on a single parchment-lined baking sheet, which means easy cleanup and zero fuss. Serve it with extra lemon wedges and you have a dinner that feels restaurant-worthy but is completely straightforward to pull off at home.
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Learn more →Ingredients
4 servings
- 4 mackerel fillets (about 6 oz each), skin-on
- 3 tbsp extra-virgin olive oil, divided
- 3 cloves garlic, thinly sliced
- 1 tsp ground turmeric
- ½ tsp ground black pepper
- ¾ tsp fine sea salt
- ½ tsp smoked paprika
- 1 lemon, thinly sliced into rounds
- ¼ cup fresh flat-leaf parsley, roughly chopped
- 2 tbsp fresh dill, roughly chopped
- 1 tbsp fresh thyme leaves
For serving
- lemon wedges, for serving (optional)
Instructions
- 1
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.
- 2
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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