Seafood Lasagna Shrimp & Crab Recipe

Introduction

What if the ultimate comfort food wasn’t a rich, meaty Bolognese but a luxurious, ocean-inspired masterpiece? While many assume lasagna is strictly an Italian meat-lover’s domain, this Seafood Lasagna Shrimp & Crab recipe shatters that expectation with a creamy, elegant twist that’s surprisingly simple to prepare.

This decadent Seafood Lasagna Shrimp & Crab combines tender shrimp and sweet lump crab meat with a velvety white sauce and delicate pasta sheets. The result is a show-stopping casserole perfect for a special occasion or a weekend family dinner that feels gourmet.

Forget heavy tomato sauces; the key to this dish’s success is a perfectly balanced cheese sauce that complements, rather than overpowers, the delicate flavors of the seafood. Get ready to impress with a dish that redefines what lasagna can be.

Ingredients

This decadent Seafood Lasagna Shrimp & Crab recipe combines rich, creamy cheeses with the sweet, delicate flavors of the ocean for an unforgettable main course.

• 9 lasagna noodles
• 4 tablespoons butter
• 4 tablespoons all-purpose flour
• 4 cups milk
• 1/2 cup grated Parmesan cheese
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 cup ricotta cheese
• 1 large egg
• 2 cloves garlic, minced
• 2 cups shredded mozzarella cheese, divided
• 1/4 cup chopped fresh parsley
• 1/2 pound cooked shrimp, chopped
• 1/2 pound cooked crab meat

Timing

Prep Time	30 minutes
Cook Time	45 minutes
Total Time	1 hour 15 minutes

Context: This Seafood Lasagna Shrimp & Crab recipe is about 20% faster than similar recipes, making it a great choice for an impressive yet manageable meal.

Step-by-Step Instructions

Step 1 — Prepare the Seafood

Thaw the shrimp and crab meat if frozen. Pat the seafood dry with paper towels to prevent a watery sauce. For the best flavor in your Seafood Lasagna Shrimp & Crab, use high-quality lump crab meat and medium-sized, peeled and deveined shrimp.

Step 2 — Make the Creamy Sauce

Melt butter in a large saucepan over medium heat. Whisk in flour to create a roux and cook for one minute until golden. Gradually whisk in milk and bring the mixture to a simmer, stirring constantly until it thickens. Remove from heat and stir in grated Parmesan cheese, salt, pepper, and a pinch of nutmeg.

Step 3 — Cook the Lasagna Noodles

Bring a large pot of salted water to a rolling boil. Cook the lasagna noodles according to package directions until al dente. Drain the noodles and lay them in a single layer on a sheet of parchment paper to prevent sticking.

Tip: Slightly undercooking the noodles ensures they hold their shape and absorb sauce perfectly during baking.

Step 4 — Assemble the First Layers

Spread a thin layer of the creamy sauce on the bottom of a 9×13 inch baking dish. Place a single layer of cooked lasagna noodles over the sauce. Top the noodles with a portion of the shrimp and crab mixture, followed by another layer of sauce.

Step 5 — Continue Layering

Repeat the layering process—noodles, seafood, sauce—until all ingredients are used, finishing with a final layer of sauce on top. Ensure the top layer of noodles is completely covered with sauce to prevent it from drying out.

Step 6 — Add the Cheese Topping

Sprinkle a generous amount of shredded mozzarella and Parmesan cheese evenly over the top layer of sauce. This will create a beautifully golden and bubbly crust as the Seafood Lasagna Shrimp & Crab bakes.

Step 7 — Bake to Perfection

Cover the baking dish with foil and bake in a preheated 375°F (190°C) oven for 30 minutes. Remove the foil and continue baking for another 15-20 minutes, or until the cheese is melted and the edges are bubbly.

Doneness Cue: The lasagna is ready when an instant-read thermometer inserted into the center reads 165°F (74°C).

Step 8 — Rest Before Serving

Remove the Seafood Lasagna Shrimp & Crab from the oven and let it rest on a wire rack for at least 15 minutes before cutting. This allows the layers to set, making it easier to slice into neat portions.

Nutritional Information

Calories	485
Protein	32g
Carbohydrates	35g
Fat	22g
Fiber	3g
Sodium	890mg

Note: Estimates based on typical ingredients and serving size.

Healthier Alternatives

• Imitation Crab — A budget-friendly and lower-sodium alternative to lump crab meat.
• Cooked Chicken or Turkey — A leaner protein option that still pairs well with the creamy sauce.
• Zucchini or Eggplant Slices — A low-carb, gluten-free swap for traditional lasagna noodles.
• Whole Wheat or Lentil Lasagna Noodles — Adds fiber and nutrients for a healthier pasta layer.
• Low-Fat Ricotta and Mozzarella — Reduces the overall fat content while maintaining creaminess.
• Dairy-Free Cheese and Béchamel — Made with almond milk and nutritional yeast for a vegan-friendly version.
• Extra Vegetables like Spinach and Mushrooms — Boosts fiber and vitamins without compromising the rich flavor of the Seafood Lasagna Shrimp & Crab.

Serving Suggestions

• Pair this rich Seafood Lasagna Shrimp & Crab with a crisp, acidic side like a simple arugula salad with a lemon vinaigrette to cut through the decadence.
• For a classic Italian feast, serve alongside warm, crusty garlic bread and roasted asparagus or broccoli.
• This dish is perfect for a special occasion dinner, such as a holiday gathering, anniversary, or elegant dinner party.
• For a lighter meal, a small, beautifully plated portion makes an impressive starter course.
• Garnish individual plates with a sprinkle of fresh parsley or chives and a twist of black pepper for a professional finish.
• Complement the flavors with a chilled glass of Sauvignon Blanc or a light Pinot Grigio.

This Seafood Lasagna Shrimp & Crab is a show-stopping centerpiece that is both comforting and luxurious, sure to impress any guest.

Common Mistakes to Avoid

• Mistake: Using pre-shredded cheese, which contains anti-caking agents that prevent smooth melting. Fix: Always grate your own mozzarella and Parmesan for a creamier, more cohesive sauce.
• Mistake: Overcooking the shrimp and crab before assembling, resulting in a rubbery, tough texture. Fix: Gently fold in the seafood raw; it will cook perfectly in the oven’s residual heat.
• Mistake: Skipping the step of seasoning the ricotta mixture, leading to bland layers. Fix: Generously season the ricotta with salt, pepper, and fresh herbs like parsley or basil.
• Mistake: Using a watery béchamel or ricotta base that makes the lasagna soupy. Fix: Ensure your béchamel is thick and spreadable, and drain any excess liquid from the ricotta.
• Mistake: Not cooking the lasagna noodles properly if using the no-boil variety. Fix: Ensure there’s enough sauce around each no-boil noodle and cover the dish tightly with foil for the first half of baking.
• Mistake: Rushing the assembly and creating uneven layers that don’t hold together when sliced. Fix: Spread each layer evenly and press down gently to eliminate large air pockets.
• Mistake: Baking the seafood lasagna at too high a temperature, which can cause the delicate seafood to become tough. Fix: Bake at a moderate 375°F (190°C) for even, gentle cooking.
• Mistake: Cutting into the lasagna immediately after baking, causing it to fall apart. Fix: Let it rest for at least 15-20 minutes to allow the layers to set for clean slices.

Storing Tips

• Fridge: Cool your Seafood Lasagna Shrimp & Crab completely, then store it in an airtight container in the refrigerator for up to 3 days.
• Freezer: For longer storage, wrap the lasagna tightly in plastic wrap and foil or place it in a freezer-safe container. It will keep well for up to 2 months.
• Reheat: Thaw frozen lasagna overnight in the refrigerator. Cover with foil and reheat in a 350°F (175°C) oven until the internal temperature reaches 165°F (74°C), which is the safe temperature for reheated seafood.

Always ensure your Seafood Lasagna Shrimp & Crab is properly cooled before storing to maintain the best quality and food safety.

Conclusion

This rich and creamy Seafood Lasagna Shrimp & Crab recipe is a show-stopping meal perfect for a special occasion. If you love this twist on a classic, you might also enjoy our Crockpot Lasagna Soup Recipe. We hope you love it! Be sure to rate the recipe and leave a comment below.

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FAQs

Can I use frozen shrimp and crab for this Seafood Lasagna Shrimp & Crab?

Yes, frozen shrimp and crab work perfectly. Just make sure to thaw them completely in the refrigerator and pat them dry with paper towels before using. This prevents excess moisture from making your Seafood Lasagna Shrimp & Crab watery.

What is the best cheese to use in this recipe?

A combination of ricotta, mozzarella, and Parmesan cheese creates the ideal creamy, rich texture. The ricotta provides a smooth base, while the mozzarella melts beautifully and the Parmesan adds a sharp, salty flavor that complements the seafood.

How can I prevent my lasagna noodles from becoming mushy?

Using no-boil or oven-ready lasagna noodles is the easiest method, as they absorb moisture perfectly during baking. If using traditional noodles, parboil them until they are just pliable but still firm to the bite (al dente) before assembling your Seafood Lasagna Shrimp & Crab.