Roast Halibut with Roast Baby Tomatoes

By Sally Cameron on April 12, 2011

Fish & Seafood, the daniel plan

Mild flavored and pearly white, there is nothing like fresh Alaskan halibut.  I’m always happy when spring arrives and halibut comes into season. Although it’s pricey right now, I couldn’t resist the beautiful thick filets at the fish counter for Sunday dinner. With a container of organic Sugar Plum tomatoes left from a catered dinner the night before, I had my inspiration for roast halibut with roast baby tomatoes.

Roast Halibut with Roast Baby Tomatoes |

Roast Halibut with Roast Baby Tomatoes

I tossed halved tomatoes with a generous tablespoon of fresh chopped thyme from my garden, a couple cloves of finely minced fresh garlic, olive oil, salt and pepper and roasted them until they shriveled and started to brown a bit at the edges. Roasting tomatoes develops an amazing flavor as their sweetness concentrates and the fresh thyme is a great compliment.

Fast and Healthy Dinner

Searing halibut on the stovetop then finishing in a hot oven is a restaurant trick. The whole process took just 10 minutes in total. Brocclini made an easy side dish for this fast, healthy dinner, all in about 25 minutes.

Buying Fish

When you buy fresh halibut figure 4-6 ounces per person. That’s not only portion control, but budget control. The filet I purchased was very thick; two inches to be exact.

If not already done, cut the halibut into 4 portions.  If there is any dark purple flesh on the bottom I carefully trim if off with a sharp filet knife. You can ask the person at the fish counter to do this for you.

A Note On Fish and Seasons

In the winter when I can only get thinner local halibut filets, I still make this by adjusting the cooking time down. For thin filets it might take just a minute or two in the oven or you might even be able to cook it just on the stove top. Fresh cod filets would work too. Get what looks good in your local area.

Roast Halibut with Roast Baby Tomatoes |

How to Cook the Halibut:  Sear and Roast

Season fish with salt, pepper, and granulated garlic. Heat a non-stick pan over medium heat and drizzle in a little olive oil. When the oil is hot but not smoking, place the halibut filets in the pan presentation side (or top side) down. The fish should sizzle when it hits the hot pan. Allow the halibut to sear for about three minutes, until it has a golden crust when you peak underneath. Carefully turn the fish over and sear for one minute longer.

Place halibut on a parchment or foil lined rimmed baking sheet and roast at 425 degrees for approximately 6 minutes. That’s it. Your timing will depend on the thickness of the filets. If they are thinner they will roast more quickly. Your halibut should still be moist and barely translucent in the center, not dry and flaky. Don’t over cook it. If your are not sure, use a digital thermometer. The fish should reach 145°F in the center.

To Finish the Dish

Warm up some dinner plates; place your roast halibut on the plate and spoon on the roast tomatoes. Broccolini or broccoli florets makes a good side dish and steam in about 3 minutes. To serve, drizzle the halibut, tomatoes and broccolini all with a little finishing olive oil and a squeeze of lemon.

With fresh halibut in season, try this simple method of roasting fish for an easy and healthy dinner.


Roast Halibut with Roast Baby Tomatoes

Mild meaty halibut seared and roasted, then topped with sweet herb roasted baby tomatoes makes a terrific, easy and healthy dinner. Serve with a green vegetable and tossed green salad with a tangy vinaigrette. Choose thick halibut filets if possible.


Roast Baby Tomatoes

  • 16 ounces organic sweet baby tomatoes such as Sugar Plum or Grapeseed halved
  • 1 tablespoon olive oil
  • 2-3 large garlic cloves finely chopped or squished through a garlic press
  • 1 1/2 tablespoons fresh chopped thyme leaves
  • Sea salt and pepper to taste

Roast Halibut

  • 4  4-6 ounce thick halibut filets
  • Salt and pepper to taste
  • 2 teaspoons olive oil
  • 4 lemon wedges optional


  • If the fish is cold from the refrigerator, allow it to stand at room temperature for 30-45 minutes to get the chill off. Then start the tomatoes while the fish is warming up.
  • Pre-heat the oven to 375°F degrees.Cover a rimmed baking sheet with foil or parchment. In a small bowl, toss halved tomatoes with olive oil, garlic, thyme, salt and pepper. Spread tomatoes on the baking sheet and roast for 20-25 minutes until shriveled and edges are just starting to turn a bit brown. Timing will depend on your oven. Mine take 25 minutes on the convection setting.
  • Cover another rimmed backing sheet with parchment or foil and set aside for the halibut.
  • Pre-heat the oven to 425 degrees. Place a non-stick skillet or fry pan over medium heat and add oil. Season halibut with salt and pepper. When the oil is hot but not smoking, place the halibut top side down in the pan. Allow a golden crust to form, about 3 minutes. Turn the halibut over and sear 1 minute longer. Remove the halibut to your prepared baking sheet.
  • Roast in the oven for approximately 6 minutes for 2″ thick filets. If your filets are thinner, roast for a shorter time. When done, halibut will be moist and barely opaque in the center. Remove and serve with a drizzle of good olive oil and a squeeze of fresh lemon, topped with the roasted baby tomatoes.
  • Any extra tomatoes will keep in the refrigerator well covered for a few days and can be enjoy warm or even cold in a salad.


These bright, herb roasted tomatoes go great with fish and equally as well with chicken. Spoon some over an omelet like salsa or sprinkle into a salad. There are many ways to enjoy them. Next time you have a container of baby tomatoes on the counter and don’t know what to do with them, roast them. Try multi-color baby tomatoes for even more color.
Fish Doneness Tip - Another way to test if your fish is done is by using a cake tester tool which is a very thin metal skewer. Place it in the middle of the filet for a few seconds and remove it. Hold it close to your upper lip or inner wrist to feel the heat. Sounds crazy but it works.  If the center is warm, not hot, the fish should be ready.


Serving: 4g
  1. Bruce Caraway - April 12th, 2011

    Hi Sally:

    The new site looks incredible – great job on an awesome implementation of the Thesis theme!
    I find myself noting some nice touches in your site layout and graphics that I may need for my own future “inspiration”. 😉

    …and as always, your recipes and food imagery continue to inspire some new things attempted in the kitchen.


    – Bruce

  2. Fran - April 12th, 2011

    The site looks beautiful and the finished halibut shot is fabulous, so inviting and you know I like those stovetop shots with the beautiful blue flame.

  3. Stacy - April 12th, 2011

    Found your blog through foodgawker! And I love this recipe – I just emailed it to my Mom as well. Super easy, super healthy, and it looks AMAZING! I’m going to have to make it soon!

  4. Carrie - April 13th, 2011

    What a gorgeous dish! I always think that simple preparations of really nice seafoods/meats like this are the absolute best. Beautiful!

  5. Nicole - April 15th, 2011

    I just bought some halibut at Costco and was trying to decide what to do with it. Now I know! Your photos are absolutely fantastic.

  6. April Somboun - April 15th, 2011

    Perfect timing! I have been looking for a vibrant and delicious fish recipe to cater towards my pescatarian friend who will be over for dinner. Thanks.

  7. Dr. Patrick Mahaney - April 16th, 2011

    That looks so amazing! The combination of fresh fish and tomato has always been a favorite of mine!

  8. Debbie Spangler - May 18th, 2011

    Thanks so much for sharing this recipe! I was looking for a halibut recipe for a wedding reception and this will be perfect with late summer tomatoes

  9. Julie - February 20th, 2016

    This is such a fresh and easy way to make halibut! Tonight we roasted some asparagus alongside thr tomatoes. Beautifully delicious!

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