Carrageenan Free Herb-Baked Mackerel with Lemon and Olive Oil
Mackerel is one of those deeply flavorful, omega-rich fish that deserves far more attention than it gets, and baking it with a bold spice rub is the best way to let it shine. A blend of turmeric, smoked paprika, and black pepper gives each fillet a warm, aromatic crust, while thin lemon rounds and sliced garlic roast right alongside the fish and mellow into something almost sweet. A generous drizzle of extra-virgin olive oil keeps everything moist and helps the spices bloom beautifully in the high heat of the oven. Fresh parsley, dill, and thyme go on right at the end, so their brightness stays vivid rather than wilting away. For anyone navigating carrageenan concerns, this recipe is refreshingly straightforward — every ingredient is a whole food or a simple spice, with no processed sauces, marinades, or dairy products that commonly sneak in that additive. It's the kind of dish where you know exactly what's on your plate. The whole thing comes together on a single sheet pan, cleanup is minimal, and the result looks genuinely impressive — flaky, golden fillets fragrant with herbs and citrus that are just as good for a weeknight dinner as they are for company.
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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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