In a bustling kitchen, I overheard my friend gushing about the perfect lasagna she had at a cozy seaside bistro. Inspired, I set out to recreate that magic with my own twist: Seafood Lasagna with Shrimp & Crab. This dish transforms familiar layers of pasta into an oceanic delight that combines fresh shrimp and sweet crab meat, all swimming in a creamy Alfredo sauce. It’s not just quick and easy—this meal is truly a showstopper, making it ideal for both family dinners and entertaining guests without the stress. Plus, it can even be made dairy-free without sacrificing flavor! Are you ready to dive into a bowl of comforting seafood goodness?

Why is Seafood Lasagna a Must-Try?
Unparalleled Flavor: The combination of shrimp and crab enveloped in creamy Alfredo sauce brings a rich, indulgent experience to every bite.
Quick and Easy: Dinner is on the table in under an hour, making it perfect for busy weeknights or last-minute gatherings.
Versatile Ingredients: Easily customize this dish by swapping seafood or adding veggies like spinach or zucchini to suit your family’s taste.
Crowd-Pleasing Appeal: Impress your guests with a dish that holds both comfort and sophistication—great paired with a light Caesar salad or garlic bread for a perfect meal.
Dairy-Free Option: Enjoy all the deliciousness without dairy by substituting ingredients, making this a flexible option for various dietary needs.
Ready to make your own? Check out more amazing tips in our expert tips and warnings section to ensure a perfect bake every time!
Seafood Lasagna Ingredients
For the Lasagna
• Lasagna Noodles – Opt for gluten-free noodles for a gluten-free version.
• Shrimp (1 lb) – Always use fresh or properly thawed shrimp for the best results.
• Crab Meat (1 lb) – Can be substituted with any firm fish, like cod, if preferred.
• Alfredo Sauce (2 cups) – Can be homemade or store-bought for convenience in this seafood lasagna.
For the Cheese Layer
• Ricotta Cheese (1 cup) – Substitute with cottage cheese for a healthier option.
• Mozzarella Cheese (1 cup, shredded) – Melts smoothly for that gooey texture everyone loves.
• Parmesan Cheese (1 cup, grated) – Adds a sharp, salty flavor to elevate your dish.
For Seasoning and Garnish
• Salt and Pepper – Essential for seasoning to enhance flavors throughout.
• Fresh Parsley – For garnish, providing color and a hint of freshness to your presentation.
Dive into making this delicious Seafood Lasagna that combines fresh tastes with comfort!
Step‑by‑Step Instructions for Seafood Lasagna
Step 1: Preheat the Oven
Begin your Seafood Lasagna journey by preheating your oven to 375°F (190°C). This temperature ensures that your lasagna will bake evenly, allowing the flavors to meld beautifully while achieving a bubbly, golden crust. Preheating is an essential first step, so your lasagna will be ready to go straight in when it’s assembled!
Step 2: Cook the Lasagna Noodles
Boil a large pot of salted water and add your lasagna noodles. Cook them according to the package instructions, usually around 8 to 10 minutes, until al dente. This is crucial to ensure they hold up well in the layers of the Seafood Lasagna. Once done, carefully drain the noodles and set them aside, making sure they don’t stick together.
Step 3: Prepare the Seafood Mixture
In a large skillet over medium heat, pour in the Alfredo sauce and stir in the shrimp and crab meat. Cook for about 5 to 7 minutes, until the shrimp turns pink and is fully cooked through. The mixture should be heated but not boiling. This step fills the kitchen with a delightful aroma while blending the flavors of your Seafood Lasagna.
Step 4: Layer the Lasagna
Grab a baking dish to start layering your Seafood Lasagna. Begin with a layer of the seafood mixture, then spread a layer of ricotta cheese over it. Next, add a layer of lasagna noodles. Repeat the layers, alternating seafood mixture, ricotta, and noodles until all ingredients are used, finishing with a layer of seafood mixture on top.
Step 5: Add the Cheeses
Now it’s time to make your Seafood Lasagna irresistibly cheesy! Top your final layer with shredded mozzarella and grated Parmesan cheese, ensuring they cover the surface evenly. This cheesy top will melt into a deliciously gooey crust, enhancing the overall flavor of the dish while providing that comforting touch everyone loves.
Step 6: Bake the Lasagna
Cover the assembled Seafood Lasagna with aluminum foil and place it in the preheated oven. Bake for 25 minutes, allowing the flavors to meld together. Then, carefully remove the foil and bake for an additional 15 minutes, until the cheese is bubbly and golden brown. This final step will create that beautiful, inviting appearance for your lasagna.
Step 7: Cool and Garnish
Once baked, remove the Seafood Lasagna from the oven and let it cool for about 10 minutes. This resting time will help the layers set, making it easier to serve. To finish, garnish with freshly chopped parsley for a pop of color and a hint of freshness that elevates your wonderful dish even more.

What to Serve with Seafood Lasagna with Shrimp & Crab
Complete your meal with delightful pairings that elevate the rich flavors of this ocean-inspired dish.
- Garlic Bread: Perfectly buttery and with a hint of garlic, it’s the ideal side for scooping up that creamy sauce.
- Caesar Salad: Crisp romaine and tangy dressing provide a refreshing contrast to the heaviness of the lasagna while being full of vibrant textures.
- Roasted Vegetables: Toss seasonal vegetables with olive oil and herbs for a sweet and savory side that adds nutritional benefits to your meal.
- White Wine: A chilled glass of Pinot Grigio complements the seafood beautifully and enhances the overall dining experience.
- Lemon Sorbet: A light and refreshing dessert that cleanses the palate after the rich flavors of the seafood lasagna.
- Steamed Asparagus: Tender asparagus adds crunch and a touch of earthiness, balancing the creaminess of the lasagna perfectly.
These pairings not only enhance the dining experience but also bring a variety of flavors and textures to the table, making your dinner truly special!
Make Ahead Options
These Seafood Lasagna with Shrimp & Crab are perfect for meal prep enthusiasts! You can assemble the entire lasagna up to 24 hours in advance; simply prepare the layers and refrigerate it covered with plastic wrap. This not only saves you time on busy weeknights but also allows the flavors to meld for an even tastier result. If you want to prep even further ahead, you can prepare the seafood mixture and store it in an airtight container in the refrigerator for up to 3 days. When you’re ready to enjoy, just pop it in the oven, covered with foil for the first 25 minutes; then uncover and bake until bubbly and golden. Enjoy the comforting flavors of your homemade seafood lasagna with little fuss!
Seafood Lasagna Variations & Substitutions
Customize your Seafood Lasagna to suit your taste and dietary needs with these tasty alternatives!
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Dairy-Free: Swap out ricotta, mozzarella, and Parmesan with dairy-free cheese alternatives to enjoy creamy layers without the dairy.
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Gluten-Free: Use gluten-free lasagna noodles or even thin slices of zucchini or eggplant for a veggie-packed, gluten-free version that’s just as satisfying.
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Vegetable Boost: Incorporate sautéed spinach, mushrooms, or zucchini into the seafood mixture for added flavor and nutrients, creating a wholesome dish.
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Swap Seafood: Change the shrimp and crab with scallops, lobster, or even firm fish like cod for a completely different seafood experience.
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Herb Infusion: Add fresh dill or basil to your Alfredo sauce for an aromatic twist that enhances the overall flavor profile.
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Spicy Kick: Sprinkle some red pepper flakes or add a touch of hot sauce for a delightful heat that takes your lasagna to the next level.
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Savory Spin: Mix in a layer of sautéed garlic and onions between the layers for an extra savory depth that elevates each bite.
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Nut-Crunchy Topping: For added texture, sprinkle crushed nuts or panko breadcrumbs on top before the final bake to create a delightful crunchy topping.
Feel inspired? Explore these variations to make your Seafood Lasagna truly your own, or check out tips on storage and serving suggestions for the ultimate dining experience!
Expert Tips for Seafood Lasagna
Fresh Seafood: Always use fresh shrimp and crab for the best flavor. Thaw frozen seafood in the refrigerator overnight to maintain its texture.
Avoid Soggy Layers: Cook the seafood mixture longer to evaporate excess moisture before layering. This prevents a watery lasagna that falls apart.
Cheese Quality: Use fresh cheeses for optimal melting and taste. A combination of whole milk ricotta and high-quality mozzarella makes a big difference.
Resting Time: Let the lasagna sit for 10 minutes after baking. This helps it hold its shape when you cut into it, ensuring beautiful slices.
Customizable Recipe: Feel free to swap seafood types for your seafood lasagna. Scallops or halibut can create a delightful twist if you want variety!
How to Store and Freeze Seafood Lasagna
Fridge: Store leftovers in an airtight container for up to 3 days. This keeps your delicious seafood lasagna fresh and flavorful, ready to enjoy later.
Freezer: Wrap individual portions tightly in plastic wrap and then in aluminum foil, or place them in airtight freezer bags. Properly stored, your seafood lasagna can be frozen for up to 3 months.
Reheating: To reheat, thaw overnight in the fridge, then bake at 350°F (175°C) for 20-25 minutes until heated through. Ensure it’s hot and bubbly before serving!
Make Ahead: If you plan to freeze, consider assembling the seafood lasagna without baking first; cover and freeze, then bake from frozen, adding a few extra minutes to the cooking time.

Seafood Lasagna with Shrimp & Crab Recipe FAQs
What type of seafood is best for this lasagna?
Absolutely! While shrimp and crab are traditional choices, you can swap in your favorites like scallops or halibut for delicious variations. Just make sure to use seafood that’s fresh or properly thawed for the best flavor and texture.
How should I store leftovers?
To keep your Seafood Lasagna fresh, store leftovers in an airtight container in the refrigerator for up to 3 days. This way, you can enjoy your delicious creation multiple times throughout the week!
Can I freeze Seafood Lasagna?
Yes! For optimal freezing, wrap individual portions tightly in plastic wrap and then in aluminum foil, or place them in airtight freezer bags. Properly stored, your seafood lasagna can be frozen for up to 3 months. When you’re ready to enjoy it, thaw overnight in the fridge, then bake at 350°F (175°C) for about 20-25 minutes until heated through.
What if my lasagna comes out too watery?
Very common! To avoid sogginess, make sure to cook the seafood mixture longer to evaporate excess moisture before layering. Properly cooking your seafood mixture will help maintain the integrity of your lasagna layers, ensuring a perfect final result.
Can this recipe be made dairy-free?
Absolutely! For a dairy-free option, replace the Alfredo sauce with a vegan alternative, and use dairy-free cheeses such as cashew or almond-based products. You won’t miss out on flavor, and it will cater to various dietary needs wonderfully!
How long should I let the lasagna sit after baking?
Letting your Seafood Lasagna rest for about 10 minutes after baking is crucial! This resting time helps the layers set, making it easier to slice and serve without losing that lovely shape. Plus, it allows the flavors to meld together beautifully.

Seafood Lasagna: A Comforting Twist on Classic Flavor
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C).
- Cook lasagna noodles in boiling salted water according to package instructions (8 to 10 minutes). Drain and set aside.
- In a skillet over medium heat, combine Alfredo sauce, shrimp, and crab meat. Cook for 5 to 7 minutes until shrimp turns pink.
- In a baking dish, layer the seafood mixture, ricotta cheese, and noodles, repeating until all ingredients are used, finishing with seafood mixture on top.
- Top with shredded mozzarella and grated Parmesan cheese.
- Cover with aluminum foil and bake for 25 minutes. Remove foil and bake for an additional 15 minutes until cheese is bubbly and golden brown.
- Let cool for 10 minutes before serving. Garnish with fresh parsley.

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