Name: Seafood Gratin: Quick Creamy Comfort for Any Occasion
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Ingredients: 200 g Shrimp (Peeled and deveined; frozen acceptable when thawed and dried.); 200 g Scallops (Fresh preferred; if frozen, ensure completely thawed and patted dry.); 2 tablespoons Butter (Can substitute with olive oil for a lighter option.); 200 ml Heavy cream (For a lighter version, half-and-half can be used.); 50 ml White grape juice (White wine can be used as an alternative.); 1 medium Onion, chopped (Yellow or white; shallots can be used for a milder flavor.); 2 cloves Garlic, minced (Fresh garlic is best; garlic powder may be substituted.); 0.5 teaspoon Salt (To taste.); 0.5 teaspoon Black pepper (Adjust to preference.); 50 g Grated cheese (Choose a favorite like Gruyère or cheddar.)

As I stood in the kitchen, the warm aroma of sautéing shrimp and scallops filled the air, instantly transporting me to a cozy French bistro. Seafood Gratin is my ultimate comfort dish, effortlessly marrying creamy, rich flavors with a crispy, golden topping. In just 30 minutes, you can whip up this delightful meal that transforms a simple gathering into a lavish feast. This Seafood Gratin is not only quick and easy to prepare but also offers the versatility for endless customization—whether sticking to the classic seafood version or experimenting with a vibrant vegetarian twist. With every bite, you’ll savor layers of goodness that make you feel right at home. Ready to embrace this creamy indulgence in your own kitchen? Let’s dive in!

Why Is This Seafood Gratin a Must-Try?

Creamy Delight: This recipe features a luscious, rich cream sauce that envelopes tender shrimp and scallops, creating a divine flavor experience.

Quick Preparation: In just 30 minutes, you can have this elegant dish ready, making it perfect for busy weeknights or surprise guests.

Versatile Options: Whether you’re a devoted seafood lover or exploring meatless meals, you can easily customize this gratin to suit your needs. Consider exploring our Crab Cake Egg as another delightful option!

Crowd-Pleaser: Serve it at your next gathering, and watch your friends and family rave over each cheesy, hearty bite.

Perfect Pairing: Don’t forget to enjoy your Seafood Gratin with some crusty bread or a light salad for a truly fulfilling meal. It’s the complete package that makes dining memorable!

Seafood Gratin Ingredients

For the Seafood
Shrimp (200g) – Provides a tender, sweet seafood flavor. Use peeled and deveined shrimp; frozen is acceptable when thawed and dried.
Scallops (200g) – Contributes a delicate texture and briny sweetness. Fresh is preferred; if using frozen, ensure they are completely thawed and patted dry.
For the Sauce
Butter (2 tablespoons) – Adds richness and is essential for sautéing aromatics. Can substitute with olive oil for a lighter option.
Heavy cream (200ml) – Acts as the base for the creamy sauce, providing a luscious texture. For a lighter version, half-and-half can be used, but the flavor may change.
White grape juice (50ml) – Adds a touch of sweetness to balance the savory elements. White wine can be used as an alternative for a more robust flavor.
Aromatics & Spices
Onion (1 medium, chopped) – Introduces sweetness and depth to the dish. Yellow or white onions work well; shallots can be used for a milder flavor.
Garlic (2 cloves, minced) – Enhances the overall flavor with its aromatic qualities. Fresh garlic is best; garlic powder may be substituted in a pinch.
Salt (1/2 teaspoon) – To taste, enhances flavors in the dish.
Black pepper (1/2 teaspoon) – Adds warmth and depth; adjust to preference.
For the Topping
Grated cheese (50g) – Forms a gooey, golden topping. Choose a favorite cheese like Gruyère or cheddar; mozzarella can be a milder alternative.

Step‑by‑Step Instructions for Seafood Gratin

Step 1: Prep Seafood
Begin by thoroughly thawing any frozen shrimp and scallops, rinsing them under cold water, and patting dry with paper towels. This step is essential to avoid excess moisture in your Seafood Gratin, which should result in a creamy, rich texture. Set the prepared seafood aside while you move on to the next steps.

Step 2: Sauté Aromatics
In a large skillet, melt 2 tablespoons of butter over medium heat. Once the butter begins to bubble, add 1 chopped medium onion and sauté for 3-4 minutes, until it becomes translucent. Then, add 2 minced garlic cloves to the skillet and cook for an additional minute, stirring continuously until fragrant. The aromatic blend will form a wonderful base for your gratin.

Step 3: Cook Seafood
Add your prepared shrimp and scallops to the skillet and cook for about 3 minutes, stirring gently. You’ll know they’re ready when the shrimp turns pink and the scallops become opaque. This quick cooking method helps infuse the seafood with the wonderful buttery flavors from the skillet and preps them perfectly for your Seafood Gratin.

Step 4: Add Sauce Ingredients
Pour in 50ml of white grape juice and let it simmer for 2 minutes to enhance the flavors. Next, stir in 200ml of heavy cream, along with 1/2 teaspoon of salt and 1/2 teaspoon of black pepper. Mix well until everything is combined, allowing the rich, creamy sauce to envelop the seafood. This layered flavor will elevate your Seafood Gratin.

Step 5: Assemble Gratins
Transfer the delicious seafood mixture into a baking dish, ensuring even distribution. Generously sprinkle 50g of your chosen grated cheese over the top, creating a delightful crust that will melt beautifully while baking. This final assembly step is where the comforting charm of the Seafood Gratin truly comes together.

Step 6: Bake
Preheat your oven to 180°C (350°F). Place the prepared baking dish in the oven and bake the gratin for approximately 15 minutes. Keep an eye on it until the cheese is bubbly and golden brown, creating an irresistible, crispy topping. This visual cue indicates that your Seafood Gratin is perfectly cooked and ready to serve.

Step 7: Cool & Serve
Once out of the oven, let your Seafood Gratin cool for a few minutes to allow the flavors to set. This brief resting period enhances the dish’s texture. Now you’re ready to serve this delightful, creamy creation to family and friends, who will be eager to dive into this comforting meal.

Make Ahead Options

Preparing Seafood Gratin in advance is a game-changer for busy weeknights! You can assemble the gratin up to 24 hours ahead of time by following all the steps right up until baking. Simply sauté the seafood and aromatics, mix in the creamy sauce, and transfer everything to your baking dish. Cover it tightly with plastic wrap or foil and refrigerate. This method keeps the flavors fresh, and when you’re ready to serve, just pop it into a preheated oven for about 20-25 minutes (add a few extra minutes if baking straight from the fridge) until the cheese is beautifully bubbly. Your Seafood Gratin will come out just as delicious, making meal prep not just easy, but incredibly satisfying!

How to Store and Freeze Seafood Gratin

Fridge: Store leftovers in an airtight container for up to 2-3 days. Ensure the gratin has cooled completely before sealing to maintain freshness.

Freezer: For longer storage, freeze the Seafood Gratin in a suitable dish, wrapped tightly with plastic wrap and aluminum foil, for up to 2 months.

Reheating: To reheat, place the frozen gratin in the fridge overnight to thaw. Bake at 180°C (350°F) for about 20-25 minutes until heated through. For best results, cover with foil to prevent over-browning.

Serving Tip: Enjoy the gratin warm, and don’t hesitate to add a sprinkle of fresh herbs or an extra layer of cheese before reheating for a delightful touch!

Expert Tips for Seafood Gratin

Use Fresh Seafood: Fresh seafood delivers the best flavor. If using frozen, ensure it’s completely thawed and dried to avoid excess moisture.
Monitor Cooking Time: Seafood can overcook quickly, leading to rubbery textures. Watch for the shrimp turning pink and scallops becoming opaque for perfect doneness.
Cheese Choices: Experiment with different cheeses for varied flavors; mixing cheeses can create a more complex profile that enhances your Seafood Gratin.
Avoid Excess Liquid: When preparing seafood, patting it dry is crucial to prevent a watery gratin. This ensures a creamy, luscious sauce instead of a soggy topping.
Make-Ahead Magic: Assemble the gratin in advance, cover it, and refrigerate until you’re ready to bake. This is perfect for stress-free entertaining!

Seafood Gratin Variations & Substitutions

Feel free to mix and match ingredients to create your perfect Seafood Gratin!

Vegetarian Delight: Replace seafood with sautéed vegetables like mushrooms, zucchini, or spinach for a vibrant, flavorful option. This delightful twist maintains the rich essence of the dish while catering to veggie lovers.
Seafood Medley: Swap shrimp and scallops for different seafood like crab, lobster, or a medley of white fish for diverse flavors and textures. Each variation brings its own unique flair to this comforting gratin.
Cheese Swap: Experiment with various cheeses such as a sharp cheddar, creamy brie, or tangy feta for a unique topping. Combining different cheeses can create a deeper, more complex flavor that you and your guests will adore.
Creamy Light: For a lighter version, substitute heavy cream with half-and-half or use a blend of Greek yogurt and milk. The result is still creamy, with a fraction of the richness.
Spicy Kick: Add some heat by incorporating red pepper flakes or diced jalapeños into the seafood mixture. This fiery addition will tantalize your taste buds and give your gratin an exciting lift.
Wine Variant: Swap white grape juice for dry white wine for a more robust and sophisticated flavor profile. It’s the perfect way to deepen the sauce’s complexity.
Herb Infusion: Enhance the dish by adding fresh herbs like dill, parsley, or chives to the seafood mixture. Their fresh notes will elevate the gratin’s flavor and provide a beautiful color contrast.
Crunchy Topping: Mix breadcrumbs or crushed crackers with cheese before sprinkling them on top for an extra crunchy layer. You might enjoy pairing this texture with our Bay Biscuit Seafood for added excitement!

By experimenting with these variations, you will not only have fun in the kitchen but also create a Seafood Gratin that celebrates your personal taste. Enjoy!

What to Serve with Seafood Gratin

Elevate your Seafood Gratin experience by pairing it with delightful side dishes that enhance its creamy allure and tantalize the taste buds.

Crusty Bread: The perfect side to scoop up every bit of the rich, cheesy sauce, adding a satisfying crunch to your meal.
Light Green Salad: Dressed in a zesty lemon vinaigrette, it adds a refreshing contrast to the decadence of the gratin, balancing flavors beautifully.
Steamed Asparagus: This vibrant vegetable brings a touch of earthiness and a crisp texture that complements the creamy seafood delight.
Garlic Roasted Potatoes: Their crispy exterior and fluffy interior provide a hearty side that pairs wonderfully with the richness of the gratin.
Chardonnay: A chilled glass of this white wine echoes the dish’s creamy flavors, making each bite even more exquisite.
Lemon Tart: Finish your meal with a light and zesty dessert that cuts through the richness of the gratin, leaving a refreshing note on the palate.

Pairing these options with your Seafood Gratin will transform your dinner into a culinary celebration!

Seafood Gratin Recipe FAQs

What seafood is best for this gratin?
Absolutely! Fresh shrimp and scallops are ideal choices for Seafood Gratin, as they provide a sweet and tender flavor. If you can only find frozen seafood, make sure to thaw them completely, rinse under cold water, and pat dry before using. This helps prevent excess moisture, ensuring a creamy sauce.

How should I store leftovers?
Very! Store your Seafood Gratin in an airtight container in the refrigerator for 2-3 days. Just ensure the gratin has cooled completely before sealing it up, which helps maintain its freshness. When you’re ready to enjoy those leftovers, you can pop it in the oven to warm up again.

Can I freeze the Seafood Gratin?
Indeed! You can freeze the gratin by wrapping it tightly in plastic wrap and aluminum foil, or by storing it in a suitable airtight freezer-safe dish. It will keep well for up to 2 months. When you’re ready to eat it, simply thaw it in the refrigerator overnight and reheat in a preheated oven at 180°C (350°F) for about 20-25 minutes, covering with foil to prevent over-browning.

What if my gratin is too watery?
I totally understand that concern! To avoid a watery gratin, be sure to pat your seafood dry before cooking and not to add too much cream or liquid. If it happens, try baking it a little longer uncovered to help evaporate excess moisture. Keep an eye on it, though, so it doesn’t overcook!

Is this recipe suitable for gluten-free diets?
Definitely! The Seafood Gratin recipe is naturally gluten-free as it does not include any wheat or gluten-containing ingredients. Just double-check the labels of your cream and cheese to ensure they’re free from gluten additives.

Can I make this dish ahead of time?
Yes, indeed! You can prepare the gratin up to the baking step, cover it tightly, and refrigerate. When you’re ready to serve, just pop it in the oven without thawing, and bake as directed. This way, hosting is stress-free and delicious!