Halibut with Butternut Squash & Gremolata

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Clock Icon for Prep Time 15 min prep
Person Icon for Serving Size 4 servings
Carrot Icon for Number of Ingredients Size 13 ingredients

This Halibut with Butternut Squash & Gremolata is a perfect fish dish for beginners in the kitchen. It is easy to make and delicious to eat. The mellow taste of halibut and the fresh...


  • 1 pound butternut squash, peeled and cut into ½-inch cubes
  • 1 pound potatoes, cut into ½-inch cubes
  • 1 medium shallot, sliced
  • 1 teaspoon plus 1 tablespoon olive oil
  • Salt and pepper, to taste
  • 4  four ounce skinless halibut fillets

For The Parsley Gremolata

  • 1 cup fresh flat-leaf parsley leaves, chopped
  • 1 to 2 small garlic cloves, sliced
  • 3 teaspoons lemon zest
  • ¼ cup water, as needed
  • ⅓ cup olive oil
  • 4 teaspoons lemon juice
  • Salt, to taste

Nutrition Facts


461 cals


24 g

Saturated Fat

4 g

Polyunsaturated Fat

3 g

Monounsaturated Fat

17 g


38 g


5 g


6 g


26 g


968 mg


  1. Preheat the oven to 450 degrees. Prepare the gremolata as outlined here.
  2. On a rimmed baking sheet, toss the butternut squash with sliced shallots, 1 teaspoon of olive oil, salt, and pepper. Bake in a single layer for 25 minutes, or until tender and just beginning to brown.
  3. Rub the halibut fillets with the remaining 1 tablespoon of olive oil and a generous pinch of salt and pepper. Lay the fillets on top of the roasted butternut squash. Roast for about 10 minutes or until the fish is cooked through.
  4. Serve the roasted butternut squashed topped with the fish and a generous spoonful of the Parsley Gremolata

Chef Tips

Substitute any thick-cut mild white fish for halibut. Try cod, haddock, or hake.

Registered Dietitian Approved

All our recipes are created by chefs and reviewed by our oncology-trained staff Registered Dietitian, Kate Ueland, MS, RD, to ensure that each is backed with scientific evidence and meets the standards set by the Academy of Nutrition and Dietetics.

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