Mackerel With Lemon Olive Oil and Tomatoes
Published November 28, 2017
- Total Time
- 45 minutes
- Rating
- Comments
- Read comments
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Ingredients
FOR THE LEMON OIL
⅓ cup extra-virgin olive oil
Finely grated zest of 1 large lemon (save naked lemon for garnish)
FOR THE FISH
6 to 8 large basil leaves, plus more for garnish
1 ½ pounds Atlantic mackerel fillets, or use cod or black sea bass (tautog) if unavailable
Fine sea salt and black pepper, to taste
1 to 2 tablespoons lemon olive oil, more as needed
¾ cup olives, preferably a mix of green and black, pitted and halved, or chopped
1 cup halved or quartered cherry tomatoes
Preparation
- Step 1
Make the oil: In a small saucepan over medium heat, warm the olive oil and lemon zest until you see the first tiny bubble appear on the side of the pan. Immediately turn off heat. You don’t want the mixture to simmer.
- Step 2
Let infuse for at least 20 minutes (and preferably an hour) before using; you do not have to strain it. Oil can be made up to a month in advance. Store in a sealed jar at room temperature.
- Step 3
When ready to prepare the fish, heat oven to 425 degrees. Place the basil leaves on a rimmed baking dish and arrange fish on top. Sprinkle fish with salt and pepper, then drizzle the lemon oil over the fillets. Top with olives. Scatter tomatoes around the pan.
- Step 4
Roast until the fish is just cooked through, 5 to 7 minutes for thin fillets and up to 12 minutes for thick fillets.
- Step 5
Cut naked lemon into wedges. Serve fish drizzled with more lemon oil, garnished with lemon wedges and torn basil leaves.
Private Notes
Comments
I love Mackerel. I was dismayed at the negative comments on this fish in the article above. I live in the UK, so maybe it's easier to find it fresh at our fishmongers here than there. The only thing that would improve this recipe (and something I do often) is to roast some sliced potatoes and onions first in the pan with oil - when they are ready, lay the fish and other ingredients on top and finish cooking the fish. Divine.
I have a simple (dumb) question: when you say a 425 degree oven, are you assuming convection setting or non-convection? This question goes for any recipe I see here, which rarely if ever specifies.
According to my oven instructions, it doesn't matter. Just select 425 F. If you also select "bake," that will be the final temperature. If you select "convection bake," the final temperature will be 400 F. Supposedly the two are equivalent in baking. I haven't found any real benefit to the convection setting.
No mackerel available at nearby stores, so I made this with cod. It was easy and good. I did 1/2 cup olive oil and zest of two lemons. That way I had plenty to put on the accompanying steamed green beans. Will try again with mackerel if I find it.
We’ve been pan frying (defrosted) frozen Atlantic mackerel from Norway sold by weee! It’s reasonably priced and as good as cold water fresh mackerel. Atlantic mackerel from warm water is no good at all. We’ve caught mackerel off Southern California piers and it was inedible. Pan fried or baked, there is no better fish so long as it is well sourced.
Mackerel needs to be ultra-fresh. This is terrific. I used some preserved lemon and spicy marinated olives and it was perfect

