Seafood Au Gratin Recipe

Name: Seafood Au Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 4 tablespoons butter, divided; 2 cups sliced mushrooms; 1/2 medium onion, finely chopped; 1 1/4 lbs fresh large shrimp or 1 1/4 lbs frozen large shrimp, peeled and deveined; 1 1/4 lbs fresh small scallops or 1 1/4 lbs frozen small scallops; 1 cup dry white wine; 1/4 teaspoon dried thyme leaves, crushed; 3 tablespoons flour; 1 cup milk; 1 1/2 cups shredded canadian old cheddar cheese, divided; 2 cups coarsely torn sourdough bread or 2 cups baguette

Servings: persons

4 tablespoons butter, divided
2 cups sliced mushrooms
1/2 medium onion, finely chopped
1 1/4 lbs fresh large shrimp or 1 1/4 lbs frozen large shrimp, peeled and deveined
1 1/4 lbs fresh small scallops or 1 1/4 lbs frozen small scallops
1 cup dry white wine
1/4 teaspoon dried thyme leaves, crushed
3 tablespoons flour
1 cup milk
1 1/2 cups shredded canadian old cheddar cheese, divided
2 cups coarsely torn sourdough bread or 2 cups baguette

1
Melt 1 tablespoon butter in a large non stick saucepan over medium high heat.
2
Add mushrooms and onion; cook and stir until tender.
3
Add shrimp, scallops, wine and thyme to the pan.
4
Bring to boil, reduce heat and simmer 2 minutes or unti seafood is cooked.
5
Drain, reserving 1 cup broth.
6
Set seafood mixture aside.
7
Melt 2 tablespoon more butter in the same pan.
8
Remove from heat and blend in flour; gradually stir in reserved broth and milk.
9
Cook and stir over medium high heat until mixture boils and thickens.
10
Remove from heat, add 1 cup of Canadian old cheddar and stir until melted.
11
Fold in cooked seafood mixture.
12
Add salt and pepper to taste.
13
Pour into oven proof casserole, sprinkle sourdough over top and sprinkle with remaining Canadian old cheddar.
14
Set under broiler in oven about 6 inches from heat, broil until sourdough is browned and cheese is melted, about 10 minutes.

520

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 11 ingredients. The key ingredients include: 4 tablespoons butter, divided, 2 cups sliced mushrooms, 1/2 medium onion, finely chopped, 1 1/4 lbs fresh large shrimp or 1 1/4 lbs frozen large shrimp, peeled and deveined, and more.

Yes, Seafood Au Gratin falls under the Seafood category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Seafood Au Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions