Name: Creamy Seafood Lasagna Recipe
Prep time: 25 min
Cook time: 1 h 25 min
Total time: 1 h 50 min
Cuisine: Italian-American
Ingredients: 9 lasagna noodles (cooked until al dente); 1 bunch of green onions (diced); 1 lb cooked lobster meat; 1 lb crab meat; 1 lb raw shrimp (diced); 4 tsp seafood seasoning (such as Old Bay); 5 tbsp salted butter; 3 tbsp all-purpose flour; 3 cups heavy cream; 5 cloves garlic (minced); 2 tbsp Italian seasoning; 2 1/2 tsp kosher salt; 1 tsp coarse black pepper; 4 cups Sargento Italian Cheese blend; 2 tsp parsley flakes (optional, for garnish)

If you’re craving a decadent yet comforting dish that brings the ocean’s best flavors right to your table, you have to try this Creamy Seafood Lasagna Recipe. It’s an irresistible fusion of tender lobster, crab, and shrimp bathed in a luxuriously smooth, cheesy sauce, layered perfectly with al dente lasagna noodles. This dish transforms the classic Italian favorite into a seafood lover’s dream, offering a rich, creamy texture and a symphony of savory spices that make every bite pure bliss. Whether it’s a special occasion or a treat-yourself kind of meal, this recipe truly hits all the right notes and will leave you smiling with every forkful.

Ingredients You’ll Need

A close-up image shows a white cutting board on a white marbled countertop. On the cutting board, there is a pile of green chopped scallions, with a woman's hand holding a knife cutting more scallions into small rounds. Three clear plastic bags filled with peeled shrimp are placed on the white marbled countertop near the cutting board. The focus is on the bright green scallions and the small pinkish shrimp through the plastic bags. Photo taken with an iphone --ar 4:5 --v 7

What’s amazing about this Creamy Seafood Lasagna Recipe is how simple yet essential each ingredient is, bringing its own unique touch to the final masterpiece. From fresh seafood to aromatic seasonings and creamy dairy, every element works together for a perfectly balanced flavor, texture, and eye-catching color.

9 lasagna noodles: Cooked until al dente, these are the foundation that holds the layers together beautifully.
1 bunch of green onions (diced): Adds a fresh, mild oniony crunch that brightens the dish.
1 lb cooked lobster meat: Offers a luxurious, sweet seafood flavor packed with tender bites.
1 lb crab meat: Adds delicate sweetness and flaky texture that pairs perfectly with the lobster.
1 lb raw shrimp (diced): Brings a slight snap and ocean freshness that balances the richness.
4 tsp seafood seasoning: A blend of spices that enhances the natural flavors of the seafood.
4 cups Sargentos Italian Cheese blend: For that gooey, melty, golden cheesy goodness in every layer.
5 tbsp salted butter: Creates the silky roux base that thickens the creamy sauce.
3 cups heavy cream: The heart of this recipe’s sumptuous, velvety sauce.
3 tbsp all-purpose flour: Helps thicken the sauce to the perfect consistency for layering.
5 cloves garlic (minced): Adds aromatic depth and a gentle punch of flavor.
2 tbsp Italian seasoning: Infuses the sauce with herby, classic Italian notes.
2 1/2 tsp kosher salt: Essential for balancing and enhancing all the flavors.
1 tsp coarse black pepper: Adds just the right amount of peppery warmth.
2 tsp parsley flakes (optional): A pop of color and fresh herbaceous flavor to finish off the dish.

TIP

You’ll find the full ingredient list, instructions, and print option in the recipe card below.

How to Make Creamy Seafood Lasagna Recipe

Step 1: Prepare the Seafood Mixture

Begin by tossing the diced green onions, cooked lobster meat, crab meat, and diced raw shrimp into a large mixing bowl. This medley of seafood will be the star filling in your lasagna, giving it that lush, oceanic goodness that feels both indulgent and fresh. Sprinkle in the seafood seasoning and gently fold everything together until well combined. Set this mixture aside and let those flavors mingle while you work on the creamy sauce.

Step 2: Make the Creamy Sauce

In a large saucepan, melt the salted butter over medium heat. Once melted, sprinkle in the flour and whisk continuously to form a smooth roux—this is the magic base for your luscious sauce. Slowly pour in the heavy cream while whisking to avoid lumps, cooking the mixture until it thickens to a silky consistency. Next, stir in the minced garlic along with Italian seasoning, kosher salt, and coarse black pepper. Let this aromatic sauce cook together for a couple more minutes, then remove from heat and get ready to build your layers.

Step 3: Assemble the Lasagna

Lightly oil a 9×13 baking dish to prevent sticking. Start by spreading a generous layer of your creamy sauce on the bottom. Next, add 3 cooked lasagna noodles in a row, then spoon half of the seafood mixture across the noodles. Repeat the layers: sauce, shredded Italian cheese blend, 3 noodles, then the remaining seafood mixture. For the final layer, cover with sauce, the last 3 noodles, a final sprinkle of cheese, and optional parsley flakes for a pop of color. Cover the dish tightly with foil to keep all the moisture locked in during baking.

Step 4: Bake Your Creation

Pop your assembled lasagna into a preheated oven at 350 degrees Fahrenheit and bake for 1 hour and 25 minutes. This slow bake allows the flavors to meld beautifully while the cheese melts into a golden, bubbly blanket. When the timer goes off, remove it from the oven and give it about 15 minutes to rest—this step is key for those perfect, clean slices that show off all the stunning layers inside.

How to Serve Creamy Seafood Lasagna Recipe

A large white rectangular baking dish on a white marbled surface is filled with a layered lasagna. At the bottom there is a layer of pasta sheets peeking from the edges, topped by a thick creamy white sauce spread evenly. Over the sauce lies a dense layer of shredded pale yellow cheese covering the whole dish, with some cheese spilling slightly over the edges onto the sides of the dish. The textures show the soft pasta edges, creamy sauce beneath, and the fine strands of cheese on top. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To elevate the presentation and add a fresh touch, sprinkle additional parsley flakes just before serving. A light drizzle of extra virgin olive oil or a squeeze of lemon can also brighten the rich, creamy layers and highlight the seafood flavors wonderfully. Fresh basil leaves would also be a delicious, aromatic garnish.

Side Dishes

This Creamy Seafood Lasagna Recipe shines best when paired with lighter sides that balance its richness. Try a crisp green salad tossed in lemon vinaigrette or roasted vegetables like asparagus or Brussels sprouts for texture contrast and added freshness. Garlic bread or a warm baguette is perfect for sopping up every last bit of that delectable sauce.

Creative Ways to Present

For a fun twist, serve smaller portions of the lasagna in individual ramekins or cast iron skillets. This not only looks elegant but makes serving friends and family extra special. You might also layer the seafood mix in lasagna cups using wonton wrappers for bite-sized appetizers inspired by this creamy, luscious dish.

Make Ahead and Storage

Storing Leftovers

This Creamy Seafood Lasagna Recipe keeps beautifully in the fridge for up to three days. Cover it tightly with foil or plastic wrap to preserve moisture and prevent the noodles from drying out. Reheat gently to avoid overcooking the seafood and keep that perfect creamy texture.

Freezing

You can freeze the lasagna before baking or once fully cooked. Freeze it in an airtight container or wrap it tightly in heavy-duty foil and plastic wrap to avoid freezer burn. It will keep well for up to two months. Thaw it overnight in the refrigerator before reheating to ensure even warming and maintain the silky sauce consistency.

Reheating

Warm up leftovers gently in the oven at 325 degrees Fahrenheit, covered with foil to keep moisture locked in. Heat for about 20-30 minutes depending on portion size or until warmed through. Avoid microwaving if possible, as this can make the noodles tough and the sauce less creamy.

FAQs

Can I use frozen seafood instead of fresh?

Absolutely! Just make sure to thaw the seafood thoroughly and drain off any excess liquid to avoid watery layers. Frozen seafood can work just as well and might even save you a trip to the market.

Is there a substitute for heavy cream in this recipe?

You can use half-and-half or whole milk thickened with a bit more flour or cornstarch, but the sauce won’t be quite as rich and velvety. Heavy cream really gives this lasagna its signature luscious texture.

How far in advance can I assemble the lasagna before baking?

You can prepare it up to a day ahead and keep it covered in the refrigerator until ready to bake. This actually allows the flavors to meld even more deliciously overnight.

Can I make this recipe gluten-free?

Yes! Use gluten-free lasagna noodles and substitute the all-purpose flour with a gluten-free flour blend in the sauce. Just ensure all your other ingredients, such as seafood seasoning, are gluten-free as well.

What can I do if I don’t have all the Italian seasoning?

No worries! You can mix your own with dried basil, oregano, thyme, and rosemary. Fresh herbs can work too, just adjust amounts so the flavors balance nicely in your creamy sauce.

Final Thoughts

This Creamy Seafood Lasagna Recipe is a culinary treasure that brings comforting layers of creamy, cheesy goodness together with fresh, flavorful seafood. It’s the kind of dish that not only satisfies your appetite but also warms your heart. I encourage you to dive in and give this recipe a try—it’s a wonderful way to treat yourself and impress your guests with a memorable, restaurant-quality meal at home. Once you do, this will surely become a favorite go-to whenever you want to celebrate the joy of cooking and the taste of the sea!

Creamy Seafood Lasagna Recipe

Ingredients You’ll Need