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Dinner · Part 1 of 3: Ingredients

Creamy Seafood Lasagna with Shrimp and Crab

A steaming slice of seafood lasagna with visible layers of shrimp, crab, pasta, and melted cheese in a glass dish.
Prep
Cook
Total
Serves
8
Includes 15 min resting

Elevate your dinner table with a sophisticated seafood lasagna that brings restaurant-quality flavors directly to your home kitchen. This recipe combines the delicate sweetness of fresh crab with succulent shrimp, all enveloped in a rich, velvety white sauce.

It is the perfect centerpiece for a special occasion or a cozy weekend meal where you want to impress without spending hours on complex techniques. Each layer delivers a harmonious blend of textures and savory goodness that everyone will love.

This seafood lasagna is a masterclass in comforting elegance. By using a pre-made creamy white sauce, the preparation becomes manageable while maintaining a gourmet profile. The combination of shrimp and crab provides varied seafood textures that pair beautifully with the tender pasta sheets and melted cheese.

Designed for the home cook, this recipe focuses on simple assembly and consistent results, ensuring that the seafood remains tender and the sauce stays perfectly creamy throughout the baking process. Follow these instructions to create a dish that is as visually stunning as it is delicious, offering a satisfying experience in every single forkful.

Ingredients

Makes one 9x13 inch baking dish · serves 8

Pasta and Fillings

  • 1 lb lasagna noodles, boiled until al dente
  • 1 lb shrimp, peeled and deveined
  • 8 oz lump crab meat, picked over

Sauce

  • 3 cups creamy white sauce, made ahead or store-bought

Topping

  • 2 cups shredded mozzarella cheese
  • 1/2 cup grated parmesan cheese
Contains: gluten, crustaceans, milk

Why this recipe works

The method of layering cooked pasta with raw seafood allows the protein to poach gently within the sauce while the lasagna bakes. This technique ensures the shrimp and crab remain succulent rather than becoming rubbery, as they would if overcooked beforehand.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

By using a high-quality white sauce as the foundation, you create a moisture-rich environment that hydrates the noodles and blends the flavors of the delicate seafood into the cheese, resulting in a cohesive and flavorful final dish.

Resting the lasagna after it leaves the oven is the secret to achieving those perfect, clean slices shown in the video. During the baking process, the sauce and melted cheese are in a fluid state. As the lasagna cools, the starches in the pasta and the fats in the cheese begin to firm up, anchoring the layers together. This rest period also allows the temperature to stabilize, ensuring that every bite is safe, enjoyable, and packed with the intended depth of flavor.

Notes and substitutions

When selecting ingredients, choose fresh, high-quality shrimp and lump crab meat for the best results. If you prefer to make your own sauce, a classic béchamel thickened with a bit of heavy cream works wonderfully.

Ensure that your lasagna noodles are boiled to a true al dente state, as they will soak up the moisture from the sauce while in the oven. Using a mix of mozzarella and parmesan provides both the essential melt-ability and a sharp, savory finish that complements the sweet seafood.

For equipment, a 9x13 inch glass baking dish is ideal because it allows you to see the beautiful layers of pasta and seafood as they bake. If you do not have a glass dish, a ceramic one of the same size will also work perfectly. Always keep your seafood chilled in the refrigerator until the exact moment you are ready to assemble the layers, as this maintains food safety and quality. A sharp spatula is essential for serving clean, beautiful portions of this rich, layered masterpiece.

  • lump crab meat: canned crab meat, drained thoroughly
  • shrimp: scallops, halved if large

Equipment

  • 9x13 inch glass baking dish
  • Large stockpot
  • Colander
  • Mixing bowl
  • Spatula
  • Aluminum foil

Coming up in Part 2: the method

  1. Pasta and Protein Prep · 1 stepPrepare the pasta and fillings
  2. Layering the Lasagna · 1 stepAssemble the lasagna layers
  3. Baking and Resting · 1 stepBake to perfection

Up next · Part 2 of 3

3 steps · 45 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)