Slow-Roasted Fish With Mustard and Dill

Slow-Roasted Fish With Mustard and Dill
Melina Hammer for The New York Times
Total Time
1 hour 15 minutes
Rating
4(295)
Notes
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What if, instead of my usual hot-roasting method, I wrapped a whole fish tightly in parchment and put it in a slow oven? It was a technique I had never seen in a cookbook, and when I described it to Eric Ripert, the chef and an owner of Le Bernardin, he said it was new to him. The experiment worked beautifully. A week later, to serve with Portuguese white wines, I had the opportunity for an encore. This time it was a two-pound porgy, and again, after exactly an hour, the bone lifted easily from the perfectly cooked, moist and silken flesh. Lemon, ginger, mustard and herbs brought it into harmony with the wines.

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Ingredients

Yield:2 servings
  • 1lemon
  • 12-inch piece fresh ginger, peeled and chopped
  • 2tablespoons minced fresh dill
  • ¾teaspoon brown mustard seeds
  • Salt and ground black pepper
  • 12-pound porgy, black sea bass, ocean perch or similar fish, gutted and scaled
  • 2tablespoons extra-virgin olive oil
  • 1shallot, chopped
  • ½cup dry white wine
  • 1tablespoon Dijon mustard
  • 2tablespoons crème fraîche
Ingredient Substitution Guide
Nutritional analysis per serving (2 servings)

679 calories; 25 grams fat; 6 grams saturated fat; 0 grams trans fat; 13 grams monounsaturated fat; 3 grams polyunsaturated fat; 13 grams carbohydrates; 3 grams dietary fiber; 4 grams sugars; 93 grams protein; 1435 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Preparation

  1. Step 1

    Heat oven to 200 degrees. Cut lemon in half, juice half and set aside. Chop remaining half and mix in a bowl with half the ginger, half the dill and ½ teaspoon mustard seeds. Season with salt and pepper. Rub outside of fish with 1 tablespoon oil. Fill cavity with ginger, lemon and dill mixture.

  2. Step 2

    Cut 2 large sheets parchment a good 3 inches bigger, all around, than the fish. Place the fish on 1 sheet, cover with second and crimp the sheets together to enclose the fish tightly. Place package, crimped side down, on a baking sheet. Roast for 1 hour.

  3. Step 3

    Meanwhile, heat remaining oil in a small skillet, add rest of ginger and the shallot and sauté on low until shallot is translucent. Add remaining mustard seeds. Stir in reserved lemon juice and the wine. Cook on low 2 to 3 minutes, until slightly reduced. Stir in mustard and crème fraîche and cook another few minutes until sauce has thickened a bit. Season with salt and pepper and remove from heat.

  4. Step 4

    When fish is cooked, remove it to a large platter or cutting board, turning the package crimped side up. Remove top sheet of parchment. Use a spatula to lift off top layer of fish; place on a serving dish. Lift out bones. Place bottom layer of fish on dish. Gently reheat sauce, fold in remaining dill, spoon sauce down the center of each fillet and serve.

Ratings

4 out of 5
295 user ratings
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Cooking Notes

I've made this twice now; five stars both times, using fillets instead of whole fish and yogurt instead of creme fraiche. Not only is it delicious, it is particularly convenient as a dinner-party entree because it sits peacefully slow-roasting while you enjoy yourself with your guests.

Greek yogurt instead of creme fraiche works well. Rice and a green salad is all you need.

Very, very good, especially with asparagus! We get a fish share where the fish is already filleted, so I used the ocean perch we got today and just sandwiched the two fillets together as though it was a whole fish. Worked great.

I did this with trout. It was tasty with sauce left over to put over the roasted fingerlings and sautéed leafy greens.

I used sea bream fillets and lactose free yogourt in the sauce (to accommodate my lactose intolerance). I served it with Martha's Roasted Carrots & Scallions with Thyme & Hazelnuts, and Amanda's Winter Roasted Tomatoes. I added a salad of fresh spinach, shredded purple cabbage and kalamata olives with a light red wine and olive oil vinaigrette. Everything was a hit and my husband definitely wants this fish again.

Many thanks to Katherine, Karin and Rebecca for pioneering some tweaks that helped me make this possible in my small city (no whole fish and no crème fraiche). The yogurt substitution and the two filet method worked wonderfully. The only fresh fish available here was trout. If Rebecca hadn't done it first, I would have feared that trout filets were too thin. This definitely goes in my Favorites folder.

Jacques Pepin has a recipe for slow roasted salmon filet-200 degree oven for about 45 minutes, topped with a mix of panko and ground almonds. It is amazingly good and great for company since no last minute prep. It also has a salsa-mayo sauce. The recipe is in his book Fast Food My Way.

Phenomenal. I used yogurt like everyone else and it worked perfectly. Will definitely be making again.

Oh my...this recipe is delicious. We had to use Chilean Sea Bass which is not really a bass but we had no choice as that was all Fresh Market had to offer. The only thing is you have to cook the fish for over 20min (until it pulls apart very easily). I made it with asparagus and fingerling potatoes.

Forgot to mention...we use Chilean Sea Bass filets...not whole fish...and I just coated it with the lemon/dill mixture.

I followed the advice of another poster and, since I didn't have a whole fish, just one pound of fillets from my fish share, stacked the fillets to mimic the size/shape of a whole fish. It worked well, although I didn't think to reduce the cooking time to account for only half the amount of fish. Next time I will! It wasn't too lemony for me, but I like lemon quite a bit. Didn't have creme fraiche so subbed heavy cream, and that worked fine.

yogurt instead of creme fraîche

I used 1lb filet of sea bass, and cooked an extra 30 minutes at 300F (I was cooking until it reached internal temperature of 135F). I used aluminum foil instead of parchment, perhaps that was the problem? I loved the dish. I paired it with sautéed broccoli rabe with cracked coriander seeds - the bitter/lemon pairing was really nice.

I agree the sauce was a touch *too* lemony. I added some cracked pepper and threw in a tablespoon of sugar to balance it out. Next time I will sauté the shallots and ginger longer and turn the heat up and deglaze with the wine before turning the heat low for a simmer. I used bronzini and the cooking method worked perfectly. Over rice with sea beans… lovely. This recipe is great for a dinner party.

Way too lemony - I agree with the person that said the lemon dominated all of the other flavors. Next time I will omit the chopped half lemon, and just sprinkle a little lemon zest over the top of the fish. In the sauce I will try maybe a tablespoon of lemon juice. And the ginger and shallots need to be minced, not just chopped. The fish was amazingly moist, though.

What a surprise this was. Great flavors and really loved the sauce. The crimping of parchment paper was a bit of a challenge. Could not find whole perch or sea bass so used got a 1.5lb of perch fillets and used those. Still great and the 200 degrees worked just fine. Be sure to finely chop the half lemon.

Porgy too Bony. Cut off head if you do again to Make lifting spine out easier. Better get it filleted. Can use yogurt.

I followed the recipe exactly, using a porgy that was about 1.5 lbs, and it was still pretty close to raw after an hour at 200 degrees. After an additional 20 minutes unwrapped at 400, it was pretty good. The sauce was great - I'll definitely make it again, but with a different cooking method for the fish.

I must be the only one confused about the lemon. Chop it with the peel? Without? I've honestly never "chopped" a lemon before? Anyone?

Yes...chopped it up fine with the peel. It softens and you don't even taste it

Is it possible to give this recipe 10 stars? Absolutely delectable. The whole porgy weighed 1 1/2 pounds. I was quite skeptical about this method and kept it in the oven at 200 for 70 minutes until I got the courage up to remove the fish. The directions were perfect--the bones just lifted out. And the sauce was divine (I used yogurt). Porgies are cheap and local and underutilized. Wow, wow, wow!! Good enough for the fanciest of fish-eating company.

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