Mom's Best Recipes
Recipe

Baked Halibut with Lemon Butter

Flaky halibut baked fast and finished with a bright lemon butter sauce, capers, and herbs for a cozy, low-drama dinner.

Author By Matt Campbell
4.8
A plated piece of baked halibut topped with glossy lemon butter sauce, capers, and chopped parsley on a white dinner plate with lemon wedges on the side

If halibut has ever come out of your oven looking a little sad and suspiciously dry, I have good news. This is the baked halibut recipe I use when I want flaky fish, lightly crisp edges, and a sauce that tastes like you tried harder than you did.

We keep it simple: a hot oven, a quick season, and a lemon butter finish that soaks into every tender layer. No obscure ingredients, no fussy techniques, and no panic flipping delicate fish in a skillet. You get a clean, cozy dinner that feels restaurant-y in the best way.

Raw halibut fillets, lemon, butter, garlic, capers, parsley, and spices arranged on a light kitchen counter next to a small baking dish

Why It Works

  • Right-time cooking keeps halibut moist and flaky instead of chalky.
  • Lemon butter sauce adds richness and brightness, so the fish tastes full and lively, not flat.
  • Capers (optional but recommended) bring salty pop that cuts through the butter and wakes everything up.
  • One pan, minimal mess means you can pull this off on a weeknight without turning the kitchen into a disaster zone.

Pairs Well With

Storage Tips

How to Store Leftovers

Refrigerate: Cool leftovers, then store in an airtight container for up to 2 days. Halibut is best sooner rather than later.

Reheat gently: Warm in a 275°F oven until just heated through. Start checking at 5 minutes, and pull when the fish hits about 125°F to 130°F (or when it is warmed through). Add a little extra butter or a splash of water in the dish to keep it from drying out. Microwave works in a pinch, but use 50% power and short bursts.

Cold leftover move: Flake it into a salad with arugula, cucumbers, and a lemony vinaigrette. It is surprisingly good straight from the fridge.

Common Questions

Common Questions

What temperature should halibut be cooked to?

For food safety, the USDA guidance for fish is 145°F in the thickest part. Personally, I like pulling halibut a touch earlier, around 135°F to 140°F, then letting it rest for a few minutes so it stays juicy. If you are serving higher-risk guests (pregnant, elderly, or immunocompromised), cook to 145°F.

How long does it take to bake halibut?

It depends on thickness. At 425°F, most fillets that are about 1 inch thick take roughly 10 to 14 minutes. Thicker pieces can go 15 to 18 minutes. The fish should look opaque on the sides and flake easily, with a slightly translucent center if you like it moist.

How do I keep baked halibut from drying out?

  • Do not overbake. Start checking early.
  • High heat helps, but the real trick is pulling it at the right temp for your preferred doneness.
  • Finish with sauce or butter right away so it soaks in while the fish rests.

Can I use frozen halibut?

Yes. Thaw overnight in the fridge, then pat it very dry before seasoning. If it is still wet, it will steam and you will lose that nice surface texture.

Do I need to remove the skin or pin bones?

Most halibut fillets are sold skinless, but if yours has skin, you can bake it as-is. If you want to remove it, it is easiest after baking: slide a thin spatula between the skin and the fish and lift the fillet right off. For pin bones, run your fingertips over the fillet before cooking and pull any you find with tweezers.

What can I use instead of capers?

Chopped green olives, a tiny bit of minced dill pickle, or just extra lemon zest and flaky salt. Capers are the briny shortcut, but the sauce still works without them.

Can I bake halibut in foil?

You can, but it will steam more than it bakes. If you want tender and saucy, foil is fine. If you want slightly crisp edges, bake uncovered and add sauce at the end.

Close-up of a fork flaking a moist piece of baked halibut, showing tender white layers with a sheen of lemon butter

Halibut used to intimidate me in that quiet way expensive ingredients do, like if you mess it up, you can practically hear your wallet whimper. This baked version is how I stopped overthinking it. I crank the oven, keep the seasoning simple, and then hit it with lemon butter right at the end. The first time I nailed that flaky, just-set center, I did what any reasonable cook would do: I took a bite standing over the sink and immediately started planning which side dish was worthy of the sauce.