This elegant pan-seared halibut pairs delicate white fish with rich, silky creamed leeks in a French-inspired preparation. The recipe includes essential technique for properly cleaning leeks to eliminate grit, ensuring a refined dish suitable for both weeknight dinners and entertaining.
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Trim the dark green tops and root ends from the leeks. Slice the remaining white and light green parts.
Place the sliced leeks in a salad spinner bowl, fill with cold water, and agitate with your hands to release any sand. Lift the spinner basket out, discard the water, and repeat the process two more times.
Spin the leeks to remove excess water, then spread them on a clean kitchen towel and pat dry completely.
Pat the halibut fillets dry with a paper towel. Season both sides generously with kosher salt and freshly ground black pepper.
Lightly dredge the seasoned fillets in Wondra flour, making sure to shake off any excess.
Heat a 10-inch pan over medium heat for one minute. Add 2 tablespoons of avocado oil and heat for about 20 seconds, or until the oil begins to shimmer.
Carefully place the halibut fillets presentation-side down in the hot pan. Sear for 2 minutes without moving them.
Flip the fillets and sear the other side for an additional 2 minutes.
Remove the seared halibut from the pan and set aside on a plate. Keep warm.
In the same pan, add a little more avocado oil if needed. Add the cleaned and dried leeks, and season with salt and pepper.
Reduce the heat to medium-low and cook the leeks, stirring occasionally, until they are soft and wilted, being careful not to let them brown.
Add the chicken stock and thyme sprigs to the pan. Increase the heat slightly and let it simmer until the liquid has reduced by about two-thirds.
Pour in the heavy cream and stir to combine. Gently warm the sauce over low heat for 2-3 minutes, ensuring it does not come to a boil.
Turn off the heat completely. Add the cold, cubed butter to the pan. Stir or swirl the pan constantly until the butter is fully melted and emulsified into the sauce.
To serve, spoon a generous amount of the creamed leeks into a shallow bowl. Place a seared halibut fillet on top.
Garnish with fresh chopped parsley and dill before serving.
Store leftovers in an airtight container in the refrigerator for up to 2 days. Reheat gently on low heat in a skillet or microwave to avoid overcooking the fish.
Trim the dark green tops and root end, then slice the white and light green parts lengthwise. Separate the layers under cool running water, rubbing gently between each layer to remove trapped soil and sand.
Cook until the flesh is opaque and flakes easily with a fork, typically 4–5 minutes per side for 6 oz fillets depending on thickness. Avoid overcooking, as halibut dries out quickly.
Yes, braise and cream the leeks up to 2 days ahead, then gently reheat over low heat before serving. Pan-sear the halibut fresh just before plating.
Wondra's fine texture creates a thinner, crispier crust on the halibut, though all-purpose flour works as a direct substitute with slightly less delicate browning.
Yes, use other firm white fish like cod, sea bass, or flounder. Adjust cooking time based on thickness—thinner fillets need less time to avoid drying out.
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