Step-by-step instructions
Now that you have everything at hand, let’s get cooking! Follow these straightforward directions:
- Preheat your oven to 180°C (350°F).
- In a skillet, melt the butter over medium heat.
- Add the mushrooms, shrimp, scallops, and mussels, cooking until just tender.
- Pour in the cream, adding salt and pepper to taste.
- Transfer the seafood mixture to a baking dish and generously sprinkle grated cheese on top.
- For extra crunch, top with breadcrumbs.
- Bake for 20-25 minutes, until golden and bubbling.
- Serve immediately and savor every bite!
Best ways to enjoy it
When it comes to serving your seafood gratin, presentation is key. You might consider garnishing it with a sprinkle of fresh parsley or a squeeze of lemon juice for a fresh zest. Pair it with a crisp green salad or homemade garlic bread to complete the meal. A light white wine, such as a Sauvignon Blanc, can complement the rich flavors beautifully.
Storage and reheating tips
Got leftovers? No worries! Allow the seafood gratin to cool completely, then store it in an airtight container in the fridge for up to 3 days. To reheat, simply place it in the oven at 180°C (350°F) until warmed through. If you plan on freezing it, do so after cooking, aiming to consume it within three months for the best flavor.
Helpful cooking tips
To elevate your seafood gratin, consider these pro tips:
- Use fresh seafood where possible for optimal flavor.
- If you like a bit of heat, add some red pepper flakes to the mixture before baking.
- Experiment with different cheeses like cheddar or a creamy feta for varied flavor.
Creative twists
Don’t hesitate to give this gratin your personal touch! Try swapping the shrimp for crab or adding spinach for added nutrition. You could also modify the topping by using crushed crackers or experimental spices to enhance the flavor. Each variation can be a delightful surprise on your dinner table!

FAQ
How long does it take to prepare this dish?
Preparing the seafood gratin takes about 15-20 minutes, with an additional baking time of 20-25 minutes.
Can I make this dish in advance?
Yes, you can prepare the seafood mixture and store it in the fridge. Simply assemble and bake it just before serving.
What if I have dietary restrictions?
Feel free to substitute seafood with other proteins like chicken or tofu, and you can use non-dairy cream and cheese to make it vegan-friendly.
This seafood gratin is not only a meal but a heartfelt experience, ready to bring smiles to faces around the dinner table. Enjoy creating this culinary delight!






