Overview
Fish Mornay is a comforting, creamy dish featuring white fish fillets topped with a rich, cheesy Mornay sauce. Whether you choose to shallow fry or poach the fish, this recipe results in a melt-in-your-mouth, cheesy delight.
- Total Prep Time: 15 minutes
- Total Cook Time: 20 minutes

Ingredients
Mornay Sauce
- 2 tbsp butter
- 2 tbsp all-purpose flour
- 1 ½ cups milk
- ½ cup grated Parmesan cheese
Shallow-Fried Fish
- 4 white fish fillets (150-200g each; cod, haddock, or snapper)
- Salt and pepper
- All-purpose flour, for dusting
- 1 tbsp butter and 1 tbsp oil
Poached Fish
- 4 white fish fillets (150-200g each; cod, haddock, or snapper)
- Salt and lemon juice
- 2 cups water
- 1 tbsp butter
- Aromatic vegetables (sliced onions, carrots, celery)
- 1 lemon slice
Toppings
- ¼ cup grated Parmesan cheese
- ¼ cup grated cheddar cheese
Instructions
Mornay Sauce
- Melt butter in a saucepan over medium heat.
- Add flour and whisk to create a smooth roux, cooking for about 1 minute.
- Slowly pour in milk, whisking constantly until the sauce thickens (about 3-5 minutes).
- Stir in Parmesan cheese until the sauce is creamy and well-blended. The Mornay sauce is now ready to be used.
Method 1: Shallow-Fried Fish Mornay
- Season the fish fillets with salt and pepper, then lightly dust them with flour.
- Heat butter and oil in a skillet over medium heat and fry the fish for 2-3 minutes per side until golden and crispy.
- Transfer the fried fish to a plate, cover with Mornay sauce, and sprinkle with Parmesan cheese and cheddar cheese.
- Use a butane torch or broiler to melt the cheese until golden and bubbly.
Method 2: Poached Fish Mornay
- Season the fish fillets with salt and a squeeze of lemon juice.
- Bring water, butter, aromatic vegetables, and lemon to a simmer in a pot.
- Poach the fish for 4-5 minutes until tender and flaky.
- Transfer the poached fish to a plate, cover with Mornay sauce, and sprinkle with Parmesan cheese and cheddar cheese.
- Melt the cheese using a butane torch or broiler until golden and bubbly.
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Nutritional Facts (Per Serving)
- Calories: ~450 kcal
- Protein: 30g
- Carbohydrates: 10g
- Fat: 28g
Serve Fish Mornay with steamed vegetables or mashed potatoes for a rich, cheesy meal that’s both satisfying and flavorful. This easy fish recipe is perfect for any occasion and sure to impress. Benefit of seafood.

How to make Fish Mornay Best fish recipe
Ingredients:
For the Mornay Sauce
For Shallow-Fried Fish
For Poached Fish
Toppings
Instructions
-
To Make the Mornay Sauce
-
Melt butter in a saucepan over medium heat.
-
Add flour and whisk to form a smooth roux, cooking for 1 minute.
-
Gradually pour in milk, whisking constantly, until the sauce thickens (about 3-5 minutes).
-
Stir in Parmesan cheese until creamy and smooth. Set aside.
-
Method 1: Shallow-Fried Fish Mornay
-
Season fish fillets with salt and pepper, then lightly dust with flour.
-
Heat butter and oil in a skillet over medium heat. Fry the fish for 2-3 minutes per side until golden and crispy.
-
Place fried fish on a plate, cover with Mornay sauce, and sprinkle with Parmesan and cheddar cheese.
-
Use a butane torch or broiler to melt and brown the cheese until bubbly.
-
Method 2: Poached Fish Mornay
-
Season fish fillets with salt and a squeeze of lemon juice.
-
In a pot, bring water, butter, aromatic vegetables, and lemon slice to a gentle simmer.
-
Poach the fish for 4-5 minutes until tender and flaky.
-
Place poached fish on a plate, cover with Mornay sauce, and sprinkle with Parmesan and cheddar cheese.
-
Melt and brown the cheese using a butane torch or broiler until bubbly.
Nutrition Facts
Servings 1
- Amount Per Serving
- Calories 450kcal
- % Daily Value *
- Total Carbohydrate 10g4%
- Protein 30g60%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.