For an extra layer of flavor, try adding a pinch of nutmeg to the cheese sauce. Feel free to substitute other types of cheese, such as Gruyere or Parmesan, for a different flavor profile. If you prefer a thicker sauce, use a bit more flour. For a thinner sauce, use a bit less. Ensure haddock fillets are of uniform thickness for even cooking. Serve immediately with a side of steamed vegetables or a crisp green salad.
Haddock Au Gratin
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PREP TIME15 mins
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COOK TIME30 mins
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TOTAL TIME45 mins
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SERVING8 People
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VIEWS414
Indulge in the creamy embrace of Haddock Au Gratin, a decadent dish where succulent haddock fillets are cloaked in a luscious, cheesy sauce. The subtle tang of onion and mustard elevates this classic comfort food to a truly unforgettable culinary experience.
Ingridients
Adjust Servings
Nutrition
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Carbohydrate4 g
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Cholesterol124 mg
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Fiber0 g
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Protein26 g
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Saturated Fat12 g
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Sodium634 mg
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Sugar0 g
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Fat20 g
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Unsaturated Fat0 g
DIRECTIONS
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01 Step
Recipe View Preheat oven to 350°F (175°C). Lightly butter a medium or large baking dish. (5 minutes)
02 Step
Recipe View Rinse haddock fillets and pat dry. Season with 1 teaspoon salt and ⅛ teaspoon black pepper. (5 minutes)
03 Step
Recipe View In a skillet or frying pan, melt butter over medium heat. Add minced onion and sauté until golden, about 5 minutes. Stir in flour until completely incorporated. Gradually whisk in dry mustard, ½ teaspoon salt, heavy cream, and half-and-half. Cook, stirring constantly, until the sauce thickens, about 3-5 minutes. Remove from heat and stir in shredded Cheddar and Monterey Jack cheeses until melted and smooth. (15 minutes)
04 Step
Recipe View Pour cheese sauce evenly over haddock fillets in the prepared baking dish. Sprinkle with paprika. (2 minutes)
05 Step
Recipe View Bake in the preheated oven for 30 minutes, or until the fish is cooked through and the sauce is bubbly and golden brown. (30 minutes)
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RECIPE REVIEWS
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Rosie Hilpert
May 12, 2025I added a little bit of garlic powder to the sauce, and it was amazing!
Norval Grady
Oct 15, 2024I made this for a dinner party, and everyone raved about it. It's surprisingly easy to make, but it looks and tastes like something you'd get in a fancy restaurant.
Dallas Tromp
Oct 14, 2024My family loved this recipe. It's a great way to get them to eat fish!
Brain Raynor
Sep 20, 2024Next time, I'll try using smoked haddock for an even more intense flavor.
Elody Rutherford
Oct 31, 2023This recipe is a total winner! The sauce is so rich and flavorful, and the haddock was perfectly cooked.