Baked Haddock Au Gratin

Prep: 10 min Cook: 30 min Serves: 4 Cuisine: American

A creamy baked haddock dish topped with cheese and bread crumbs, perfect for seafood lovers seeking a comforting, cheesy meal with a hint of lemon flavor.

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Ingredients

  • 2 Tbsp. margarine
  • 2 Tbsp. flour
  • 1/2 tsp. salt
  • 1 c. milk
  • 1/2 c. grated sharp cheese
  • 2 tsp. lemon juice
  • 1 lb. haddock fillets
  • bread crumbs

Instructions

  1. Melt butter in a saucepan.
  2. Add flour and salt; stir until blended.
  3. Slowly add milk and bring to a boil, stirring constantly.
  4. Remove from heat.
  5. Blend in cheese and lemon juice.
  6. Arrange haddock fillets in a greased baking dish.
  7. Pour cheese sauce over the fish.
  8. Sprinkle with bread crumbs.
  9. Bake at 350°F for 30 minutes.

Tips & Substitutions

For a creamier sauce, consider using half-and-half instead of milk. If you're out of margarine, butter can be a suitable substitute and will enhance the flavor. Adding fresh herbs like dill or parsley can elevate the dish further. If you prefer a crunchier topping, try mixing the bread crumbs with a bit of melted butter before sprinkling them on top, similar to the topping used in Scalloped Corn And Oyster Casserole.

Serving Suggestions

Baked Haddock Au Gratin pairs wonderfully with a fresh green salad or steamed vegetables for a balanced meal. For a heartier option, serve it alongside roasted potatoes or rice pilaf. A glass of white wine can complement the dish beautifully. For more seafood inspiration, browse more American recipes that feature fish as the main ingredient.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 2 days. To reheat, place the haddock au gratin in an oven-safe dish and cover with foil to retain moisture. Heat in a preheated oven at 350°F for about 15-20 minutes, or until warmed through. This prevents the fish from drying out.

Nutrition & Diet Analysis (per serving)

Each serving of Baked Haddock Au Gratin contains roughly 1033 calories, with 18g protein, 110g carbohydrates, and 58g fat. It is an excellent source of iron (43% of the Daily Value), protein (36% of the Daily Value), and calcium (26% of the Daily Value), and a good source of dietary fiber. Note that it is relatively high in sodium, at 1813mg per serving (79% of the Daily Value).

1033 kcal 52% DV
Protein Fat Carbs

Macronutrients

Protein 18.1g 36% DV
Total Fat 57.9g 74% DV
Carbs 109.9g 40% DV
Fiber 5.4g 19% DV
Sugar 21g 42% DV

Electrolytes

Sodium 1813.4mg 79% DV
Potassium 327.3mg 7% DV
Cholesterol 2mg 1% DV

Vitamins & Minerals

Vitamin A 57.1mcg 6% DV
Vitamin C 4.6mg 5% DV
Vitamin D 0.5mcg 3% DV
Calcium 337.9mg 26% DV
Iron 7.7mg 43% DV
Diet fit High-fiber
Contains Milk Wheat/Gluten Fish

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use a different type of fish for this recipe?

Yes, you can use other firm white fish like cod or tilapia as substitutes for haddock. Ensure that the cooking time remains the same, as thinner fillets may require less time in the oven.

Is it possible to make this dish ahead of time?

Absolutely! You can prepare the cheese sauce and assemble the dish in advance. Cover it tightly and refrigerate. When you're ready to bake, simply add a few extra minutes to the cooking time to ensure it's heated through.

Can I freeze baked haddock au gratin?

While it's best enjoyed fresh, you can freeze baked haddock au gratin. Make sure to cool it completely before transferring it to a freezer-safe container. To reheat, thaw in the refrigerator overnight and bake at 350°F until heated through.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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