Name: Garlic Herb Baked Halibut Recipe
Prep time: 8 min
Cook time: 14 min
Total time: 22 min
Cuisine: American
Ingredients: 1 1/2 pounds halibut fillets; 1 pound asparagus, cleaned and trimmed (optional); 4 tablespoons butter, melted; 2 large garlic cloves, sliced or minced; 1 tablespoon fresh dill, plus more for serving; 1 tablespoon Dijon mustard; 1 tablespoon fresh lemon juice; 1 teaspoon kosher salt; 1/2 teaspoon black pepper

Jump to Recipe· 4.1 from 14 reviews

There is just something magical about a perfectly cooked white fish infused with fresh herbs and bright, zesty flavors, and this Garlic Herb Baked Halibut Recipe hits all those notes beautifully. Tender, flaky halibut bathed in a buttery garlic and dill sauce, with a touch of lemon to brighten everything up, creates a dish that feels both elegant and comforting. It’s quick enough for weeknights yet special enough for company, making it truly one of my favorite ways to enjoy fresh seafood any time of the year.

Ingredients You’ll Need

A sheet pan covered with shiny silver foil holds two main items: on the left side, there is one layer of fresh green asparagus spears, all lined up neatly with their tips pointing left, showing a bright and smooth texture. On the right side, there are four pieces of raw white fish fillets, arranged in two rows with two fillets each; the fish has smooth, slightly translucent flesh with some faint lines and a softer white color. The entire setup is on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

This recipe comes together with simple, fresh ingredients that each play a vital role. The combination of herbs, citrus, and garlic creates a vibrant flavor base, while the butter ensures the fish stays moist and delicious. Adding asparagus not only brightens the plate visually but also brings a lovely seasonal crunch.

Halibut fillets (1 1/2 pounds): The star of the dish, halibut offers a mild, firm texture that holds up wonderfully in the oven.
Butter (4 tablespoons, melted): Adds richness and carries the garlic and herbs beautifully throughout the fish.
Fresh dill (1 tablespoon plus extra): This herb imparts a fresh, slightly tangy flavor that complements seafood perfectly.
Dijon mustard (1 tablespoon): Provides a subtle tang and depth to the sauce without overpowering the delicate fish.
Fresh lemon juice (1 tablespoon): Brightens the dish and balances the richness of the butter.
Garlic (2 large cloves, sliced or minced): Offers a fragrant punch to the sauce; adjust amount based on your love for garlic.
Kosher salt (1 teaspoon): Essential for seasoning and enhancing all other flavors.
Black pepper (1/2 teaspoon): Adds a gentle kick and warmth.
Asparagus (1 pound, optional): Adds color, texture, and a healthy veggie component to the meal.

How to Make Garlic Herb Baked Halibut Recipe

Step 1: Prep Your Fish and Veggies

Start by preheating your oven to 400 degrees. Pat the halibut fillets dry with paper towels—this step is key to getting a nice texture during baking. Arrange the fillets on a foil-lined sheet pan, setting the trimmed asparagus around the edges if you’re using them. This setup allows the veggies to roast alongside the fish, soaking up all the delicious flavors.

Step 2: Make the Garlic Herb Butter Sauce

In a microwave-safe bowl, melt the butter with sliced or minced garlic for about 30 to 45 seconds, or until fragrant. Stir in the Dijon mustard, fresh lemon juice, kosher salt, black pepper, and dill to make a beautiful herb butter mixture. This sauce is where the magic happens, creating a luscious coating for the fish and veggies.

Step 3: Pour and Bake

Drizzle the garlic herb butter evenly over the halibut and asparagus. Pop the pan into the oven and bake for 12 to 14 minutes. The fish is done when it flakes easily with a fork and reaches an internal temperature of around 140 degrees Fahrenheit. The asparagus should be tender and slightly crisp, perfectly cooked alongside the fish.

Step 4: Garnish and Serve

Before serving, sprinkle additional fresh dill over the dish and offer lemon wedges on the side. The freshness from the dill and citrus adds a beautiful final layer of flavor and aroma that makes this Garlic Herb Baked Halibut Recipe truly irresistible.

How to Serve Garlic Herb Baked Halibut Recipe

A white plate holds three main layers: a base of creamy white mashed potatoes with a soft, smooth texture spread in a ring shape, topped by a thick, light-colored fish fillet garnished with thin slices of garlic and small sprigs of fresh green dill, with a light sauce coating the fish. On one side, a small bright yellow lemon wedge rests partially on the mashed potatoes. Below the fish, a neat bunch of bright green cooked asparagus spears with a slightly glossy texture lines the plate. The whole setting is placed on a white marbled surface with fresh dill and a lemon in the background. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

A sprinkle of fresh dill and a squeeze of fresh lemon juice bring brightness and herbal notes to the table, amplifying the flavors beautifully. Thin slices of lemon or even a few microgreens can also add an elegant touch without overpowering the delicate fish.

Side Dishes

This halibut pairs wonderfully with light sides that don’t compete for attention. Think fluffy quinoa, lemony couscous, or a simple green salad dressed with vinaigrette. Roasted baby potatoes or steamed green beans also make great companions, offering texture and heartiness to round out the meal.

Creative Ways to Present

If you’re looking to impress, serve individual fillets on pretty plates with the asparagus nestled alongside. Drizzle any extra herb butter over the top and add small edible flowers or fresh herb sprigs for an elegant, restaurant-quality presentation. For casual meals, plate everything family-style so everyone can enjoy the aromas and customize servings.

Make Ahead and Storage

Storing Leftovers

Place any leftover halibut in an airtight container and refrigerate within two hours of cooking. It will stay fresh for up to 2 days. Keeping the fish chilled properly helps retain moisture and flavor, making leftovers just as enjoyable for a second meal.

Freezing

While halibut is best enjoyed fresh, you can freeze cooked leftovers by wrapping them tightly in plastic wrap and then placing them in a freezer-safe bag. Use within 1 month for best quality. When thawed, the texture might be slightly softer, but the garlic herb flavors will still shine through.

Reheating

Reheat gently in the oven at 275 degrees Fahrenheit for about 10 minutes, covered loosely with foil to prevent drying out. Avoid microwaving if possible, as it tends to overcook fish quickly and diminish the texture. A gentle reheat keeps the buttery, herbaceous flavors vibrant and the fish delicately flaky.

FAQs

Can I use other types of fish for this Garlic Herb Baked Halibut Recipe?

Absolutely! While halibut is ideal because of its firm texture, you can substitute with other white fish like cod, haddock, or sea bass. Just adjust the baking time depending on the thickness and density of the fish.

Can I make this recipe without asparagus?

Yes! Asparagus is optional and adds color and texture, but the halibut is delicious on its own with the garlic herb butter. You could also swap in fresh green beans or roasted cherry tomatoes for variety.

How do I know when the halibut is cooked perfectly?

The fish should flake easily with a fork and reach an internal temperature of 140 degrees Fahrenheit. It will turn from opaque to a delicate white and feel tender but not mushy when done.

Can I prepare the garlic herb butter sauce ahead of time?

Yes, you can make the herb butter sauce a few hours ahead and store it in the fridge. Just rewarm gently and stir before pouring over the fish to keep the garlic and herbs fresh and vibrant.

Is this recipe gluten-free?

Yes, this Garlic Herb Baked Halibut Recipe is naturally gluten-free, making it a great option for gluten-sensitive or gluten-free diets.

Final Thoughts

I can’t recommend this Garlic Herb Baked Halibut Recipe enough if you want a savory, elegant fish dinner that feels special without a lot of fuss. The combination of garlic, butter, herbs, and lemon creates a flavor profile that’s fresh, comforting, and utterly satisfying. Give it a try the next time you want to impress yourself or guests with a wholesome, delicious seafood meal!

Garlic Herb Baked Halibut Recipe

Ingredients You’ll Need