Baked Haddock with Spinach and Tomatoes


Delicious baked haddock with tomatoes and spinach smothered in a rich, tangy sauce.

Prep Time:
10 mins
Cook Time:
35 mins
Total Time:
45 mins


  • 1 tablespoon butter

  • 1 cup thinly sliced onion

  • 2 (10 ounce) packages chopped frozen spinach, thawed and squeezed dry

  • ¼ teaspoon freshly grated nutmeg

  • 1 ½ pounds haddock fillets

  • 1 (14.5 ounce) can diced Italian plum tomatoes, juices reserved

  • ½ teaspoon dried thyme

  • ½ teaspoon salt

  • ¼ teaspoon dried tarragon


  • ¾ cup water, or as needed

  • 1 tablespoon butter

  • 1 tablespoon minced onion

  • 1 teaspoon cornstarch


  1. Preheat the oven to 375 degrees F (190 degrees C). Lightly butter a 2-quart casserole or baking dish large enough to hold haddock fillets in a single layer.

  2. Melt butter in a skillet over medium heat. Cook and stir onion in hot butter until soft, about 5 minutes. Stir in spinach and nutmeg; cook, stirring occasionally, for about 3 minutes.

  3. Arrange haddock fillets in the prepared baking dish. Spoon equal portions of spinach mixture between fillets. Spoon drained tomatoes around fillets and sprinkle with thyme, salt, and tarragon.

  4. Bake, uncovered, in the preheated oven until fish flakes easily with a fork, 20 to 25 minutes.

  5. While fish is baking, make sauce: Add enough water to reserved tomato juices to make 1 cup; set aside. Melt butter in the skillet over medium heat. Stir in onion and cook until soft, about 5 minutes. Pour 3/4 cup tomato juice into the skillet; bring to a boil. Whisk cornstarch into remaining 1/4 cup tomato juice, then add to the skillet. Reduce heat and simmer, stirring, until sauce thickens slightly.

  6. Pour sauce over baked fillets and serve.

Nutrition Facts (per serving)

183 Calories
5g Fat
9g Carbs
26g Protein
Nutrition Facts
Servings Per Recipe 6
Calories 183
% Daily Value *
Total Fat 5g 7%
Saturated Fat 3g 14%
Cholesterol 76mg 25%
Sodium 466mg 20%
Total Carbohydrate 9g 3%
Dietary Fiber 4g 14%
Total Sugars 3g
Protein 26g
Vitamin C 13mg 66%
Calcium 190mg 15%
Iron 4mg 22%
Potassium 844mg 18%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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