Creamy Garlic Butter Seafood Lasagna with Shrimp and Crab

Indulge in the ultimate comfort food with this luxurious seafood lasagna. Succulent shrimp and tender crab meat are tossed in rich garlic butter, layered between sheets of tender pasta, and smothered in a velvety bechamel sauce. Finished with a bubbling, golden crown of melted cheese, this dish brings the elegance of a high-end seafood restaurant straight to your dining table.

This seafood lasagna is a magnificent twist on the classic Italian-American comfort food. Instead of the traditional beef and tomato sauce, this recipe focuses on the delicate, sweet flavors of fresh shrimp and lump crab meat. The rich garlic butter infusion and the smooth, creamy bechamel sauce elevate the seafood without overpowering it.

Perfect for special occasions, holiday dinners, or an impressive weekend meal, this dish is a true showstopper. It offers a perfect balance of rich textures, creamy sauces, and seafood in every single bite, making it a memorable feast for family and guests alike.

Ingredients

Why this recipe works

Sautéing the shrimp and lump crab meat in garlic butter before assembly is a crucial step that locks in moisture and infuses the seafood with rich flavor. This quick cooking process ensures that the seafood remains tender and succulent, preventing it from becoming rubbery during the baking process.

The garlic butter also mingles with the seafood juices, creating a flavorful base that seasons the entire lasagna from within. This method guarantees that every bite of seafood is burst-in-your-mouth delicious and perfectly seasoned.

Using a velvety bechamel sauce instead of a traditional tomato-based marinara provides a smooth, elegant backdrop that complements the delicate sweetness of the shellfish. Marinara can often be too acidic and dominant, masking the subtle flavors of crab and shrimp.

The creaminess of the bechamel acts as a binder, seamlessly holding the pasta layers and seafood together while adding a luxurious mouthfeel. When baked, the bechamel combines with the melting cheese to create a rich, cohesive texture that defines a perfect seafood lasagna.

Notes and substitutions

When selecting ingredients for this recipe, opt for high-quality wild-caught shrimp and fresh lump crab meat for the best flavor and texture. If fresh lump crab is unavailable, high-quality claw meat or canned lump crab can work, but avoid imitation crab as it lacks the authentic flavor and delicate texture required for this dish.

For the cheese, shredded low-moisture mozzarella or a blend of mozzarella and mild provolone will provide that iconic, stretchy pull. Make sure to grate the cheese yourself for the smoothest melt without any powdery additives.

For the pasta, traditional lasagna sheets that are boiled beforehand work best to absorb the rich bechamel sauce. If you prefer a shortcut, no-boil lasagna sheets can be used, but you may need to add a splash of milk to the bechamel to ensure there is enough moisture to fully cook the pasta in the oven. Ensure your baking dish is a standard 9x13-inch size, which provides the ideal depth for three complete layers of pasta, creamy sauce, sautéed seafood, and melted cheese.

• lump crab meat: claw crab meat or canned crab meat drained thoroughly
• bechamel sauce: creamy alfredo sauce

Equipment

• 9x13-inch baking dish
• large skillet
• digital food thermometer
• cheese grater