Mustard Free Paleo Halibut with Herb Sauce
Fresh halibut is one of those proteins that rewards simple, confident cooking, and this pan-seared preparation delivers a deeply golden crust with a tender, flaky interior that feels genuinely restaurant-worthy. The real star is the vibrant herb sauce ā a bright, oil-based blend of parsley, basil, and chives lifted with fresh lemon juice, zest, and optional capers that comes together in minutes while the fish cooks. Because the sauce is built entirely from fresh herbs, citrus, and good olive oil, there's no hidden condiment to worry about, making it a naturally clean choice for anyone navigating mustard-free eating. So many store-bought sauces and marinades sneak mustard in as an emulsifier or flavor booster, but here every ingredient is straightforward and easy to verify. Avocado oil gives the fillets a beautiful sear without overpowering the delicate fish, and the technique of cooking undisturbed until the fillet releases cleanly is the key to that gorgeous golden crust. Spoon the herb sauce on generously ā it soaks into the fish just enough to make every bite aromatic and satisfying. This is the kind of weeknight dinner that looks far more impressive than the effort it actually takes.
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Learn more āIngredients
4 servings
For the halibut
- 4 halibut fillets (6 oz each), skin-on or skinless
- 2 tbsp avocado oil
- Ā½ tsp kosher salt
- Ā¼ tsp black pepper
For the herb sauce
- Ā½ cup fresh flat-leaf parsley leaves, finely chopped
- Ā¼ cup fresh basil leaves, finely chopped
- 2 tbsp fresh chives, thinly sliced
- ā cup extra-virgin olive oil
- 2 tbsp fresh lemon juice
- 1 tsp lemon zest
- 1 tsp capers, drained and roughly chopped (optional)
- Ā¼ tsp red pepper flakes (optional)
- Ā¼ tsp kosher salt
Instructions
- 1
In a small bowl, combine the parsley, basil, chives, olive oil, lemon juice, lemon zest, capers (if using), red pepper flakes (if using), and 1/4 tsp salt. Stir until evenly mixed, then set aside at room temperature while you cook the fish.
- 2
Pat the halibut fillets thoroughly dry with paper towels, then season both sides with the 1/2 tsp salt and black pepper.
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