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Dinner · Part 2 of 3: Instructions

Creamy Seafood Lasagna with Shrimp and Crab Step-by-step instructions

A close-up of a square of creamy seafood lasagna with visible shrimp and crab filling.
Prep
Cook
Total
Serves
8
Includes 10 min resting

Before you start

Before beginning the assembly, ensure the oven is preheated to 375°F (190°C) to ensure an even bake. Have all ingredients measured, prepared, and ready for layering on a clean workspace.

The pasta should be cooked and drained to prevent excess moisture from entering the dish, which could lead to a watery lasagna. Preparing the seafood by picking over the crab for any hidden shells and peeling the shrimp beforehand makes the assembly process seamless and efficient.

Ingredients at a glance (5)
  • 1 lb shrimp, peeled and deveined
  • 8 oz lump crab meat, picked over
  • 12 sheets lasagna noodles, boiled
  • 2 cups mozzarella cheese, shredded
  • fresh parsley, for serving

Instructions

Seafood and Pasta Prep

  1. Prepare the Seafood and Pasta
    Bring a large pot of salted water to a boil and cook the lasagna noodles according to package directions until al dente. Drain and set aside. In a large skillet, sauté the shrimp over medium heat until they turn pink and opaque, ensuring they reach an internal temperature of 145°F (63°C). Remove from heat and gently combine the cooked shrimp and crab meat in a medium bowl.
    Look for shrimp should be pink and firm
    Safe temperature 145°F (63°C) internal temperature (shellfish)
    Tip Avoid overcooking the shrimp during the initial sauté, as they will finish cooking in the oven.

The shrimp should be cooked just until pink and opaque, and the pasta should be firm to the bite. At this stage, the kitchen will smell fresh and savory. Ensure the seafood is mixed gently to preserve the integrity of the crab lumps, as this adds a premium texture to the finished dish.

Assembly of Layers

  1. Assemble the Lasagna
    Preheat the oven to 375°F (190°C). In a 9x13 inch baking dish, spread a thin layer of sauce if desired, then place a layer of noodles. Top with a portion of the seafood mixture and a generous sprinkling of mozzarella cheese. Repeat the layers until all ingredients are used, finishing with a final layer of cheese on top to ensure a golden crust.
    Look for ensure layers are even to maintain structure
    Tip Spread the seafood evenly across the noodles to ensure every bite contains both shrimp and crab.

The lasagna should be assembled with consistent layers of pasta, seafood, and cheese. The dish should look organized, with the ingredients distributed evenly across the surface.

Ensure the top layer is covered adequately with cheese to create the signature blistered, golden-brown crust that characterizes a well-baked lasagna.

Baking and Serving

  1. Bake and Serve
    Cover the baking dish with aluminum foil and bake for 25 minutes. Remove the foil and continue baking for an additional 15 minutes, or until the cheese is bubbling and golden brown. Remove from the oven and let the lasagna rest for 10 minutes before slicing. Garnish with freshly chopped parsley and serve warm.
    Look for cheese should be bubbling and golden brown
    Tip Allowing the lasagna to rest is crucial for clean slices and prevents the layers from sliding apart.

The final lasagna will be bubbling at the edges and golden on top. It should smell aromatic and savory. After resting, the layers should be distinct and stable. The surface should be decorated with fresh parsley to add a bright, vibrant color contrast to the rich, melted cheese topping.

Common mistakes

A common mistake is failing to let the lasagna rest after it comes out of the oven. Resting for at least ten minutes allows the cheese and filling to set, which is necessary for serving neat, square portions.

Another error is using too much liquid in the filling, which can result in a soggy dish. Ensure that all ingredients are well-drained before assembly to keep the texture firm and professional.

How to tell it’s done

The lasagna is perfectly done when the top layer of cheese is uniformly melted, bubbling, and displays a rich golden-brown color. The edges should be slightly crispy, and the internal temperature of the filling should be hot throughout.

Because the seafood was pre-cooked, the primary goal of the baking process is to heat the ingredients through and melt the cheese to a delicious, gooey consistency that holds the layers together.

  • Shellfish: 145°F (63°C) in the thickest part

Coming up in Part 3: common questions

  • Can this lasagna be made with different types of seafood?
  • Is it possible to use fresh pasta instead of dried?
  • Why does the lasagna release liquid after baking?

Also in Part 3: variations (Spicy Seafood Lasagna, Herb-Infused Lasagna), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)