Shrimp and Crab Lasagna: A Creamy Seafood Delight

By Sienna Whitman

On January 19, 2026

An extreme close-up shot of a creamy seafood lasagna slice, highlighting the succulent pieces of shrimp and tender crab meat in a rich white sauce.

Cuisine

American, Italian

Prep time

25 minutes

Cooking time

50 minutes

Total time

75 minutes

Servings

8 servings

Indulge in the ultimate comfort food with this rich and decadent Shrimp and Crab Lasagna. Forget traditional red sauces; this recipe features layers of tender pasta, succulent shrimp, sweet crab meat, and a luxuriously creamy béchamel sauce, all topped with perfectly melted cheese. It’s an elegant dish impressive enough for guests but simple enough for a special weeknight dinner. If you’ve been searching for a standout seafood pasta, your search ends here.

A serving of shrimp and crab pasta bake fresh from the oven, with golden-brown melted cheese on top and bubbling white sauce.
Fresh out of the oven and ready to serve!

Why You’ll Love This Shrimp and Crab Lasagna Recipe

This isn’t just another pasta dish; it’s a culinary experience. The combination of delicate seafood with a savory, herb-infused white sauce creates a symphony of flavors that is both sophisticated and deeply satisfying. We’ve perfected this recipe to ensure it’s incredibly creamy and flavorful, never watery or bland. Plus, it’s a fantastic make-ahead meal for easy entertaining.

Key Ingredients for Success

The magic of this dish lies in using quality ingredients. Here’s what you’ll need to bring this creamy seafood lasagna to life.

For the Seafood

  • Shrimp: Use raw, peeled, and deveined shrimp. Small to medium-sized shrimp work best as they distribute evenly throughout the layers.
  • Crab Meat: Lump crab meat provides the best texture and flavor. You can use fresh, pasteurized, or even high-quality canned crab meat. Just be sure to drain it well.

For the Creamy White Sauce

  • Butter & Flour: These form the roux, the essential base for a thick and stable béchamel sauce.
  • Whole Milk: The key to a rich, creamy texture.
  • Garlic & Onion: Finely minced to build a savory flavor foundation.
  • Seasoning: A blend of salt, white pepper, nutmeg, and fresh parsley brings warmth and depth.
  • Cheeses: A trio of freshly grated Parmesan, creamy ricotta, and melted mozzarella creates the ultimate cheese pull and flavor.

For Assembling the Lasagna

  • Lasagna Noodles: Use no-boil (oven-ready) noodles to save time and reduce the risk of adding excess water to the dish. If you use regular noodles, cook them until just al dente.

How to Make Shrimp and Crab Lasagna (Step-by-Step)

Follow these simple steps to create a perfect seafood lasagna every time. We’ll guide you through preparing the seafood, crafting the sauce, and assembling the layers for a flawless finish.

Step 1: Prepare the Seafood

Start by gently sautéing the shrimp in a little butter and garlic until they are just pink. Be careful not to overcook them, as they will cook further in the oven. Remove the shrimp from the pan and set them aside. In a separate bowl, gently flake your crab meat, checking for any stray pieces of shell.

An extreme close-up shot of a creamy seafood lasagna slice, highlighting the succulent pieces of shrimp and tender crab meat in a rich white sauce.
Look at those delicious layers of seafood and creamy sauce!

Step 2: Make the Creamy White Sauce

In the same pan, melt the butter over medium heat. Add the minced onion and cook until softened. Stir in the flour and cook for one minute to create the roux. Slowly whisk in the milk until the mixture is smooth. Let it simmer, stirring occasionally, until the sauce thickens enough to coat the back of a spoon. Remove from heat and stir in the Parmesan cheese, ricotta, salt, white pepper, and a pinch of nutmeg. Gently fold the cooked shrimp and crab meat into the sauce.

Step 3: Cook the Lasagna Noodles

If you are not using no-boil noodles, cook your lasagna noodles according to package directions until they are al dente. Drain them well and lay them flat on parchment paper to prevent sticking.

Step 4: Assemble the Lasagna

Preheat your oven to 375°F (190°C). Spread a thin layer of the seafood sauce on the bottom of a 9×13 inch baking dish. Arrange a single layer of lasagna noodles over the sauce. Spread one-third of the remaining seafood sauce over the noodles, followed by a sprinkle of mozzarella cheese. Repeat the layers two more times: noodles, sauce, mozzarella. Finish with a final layer of noodles, the last of the sauce, and a generous topping of mozzarella and extra Parmesan cheese.

Step 5: Bake to Perfection

Cover the baking dish with foil and bake for 30 minutes. Remove the foil and bake for another 15-20 minutes, or until the top is golden brown and the sauce is bubbling around the edges. Let the lasagna rest for at least 15 minutes before slicing and serving. This allows the layers to set, ensuring clean, beautiful slices.

What to Serve with Your Lasagna

This Shrimp and Crab Lasagna is incredibly rich, so it pairs best with simple, fresh sides. A crisp green salad with a light vinaigrette is a perfect contrast. For a heartier meal, serve it with a side of freshly baked no-knead rosemary garlic bread or some simple garlic herb and cheese bread to soak up any extra sauce. A side of roasted vegetables, like the ones in this healthy vegetable medley, also complements the dish beautifully.

Make-Ahead & Storage Instructions

You can assemble the entire lasagna up to 24 hours in advance. Simply cover it tightly and refrigerate. When you’re ready to eat, you may need to add 10-15 minutes to the covered baking time. Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. This lasagna also freezes well; wrap it tightly before freezing and bake from frozen, adding about 30-40 minutes to the total bake time.

FAQs about Shrimp and Crab Lasagna

Absolutely. If using frozen cooked shrimp, thaw it completely and add it to the sauce at the very end to prevent it from becoming tough. For frozen raw shrimp, thaw completely and pat dry before sautéing as directed. For frozen crab meat, ensure it is fully thawed and thoroughly drained to remove excess moisture.

Yes, this is a great make-ahead dish. You can assemble the entire lasagna, cover it tightly with foil, and store it in the refrigerator for up to 24 hours before baking. You may need to add 10-15 minutes to the initial covered baking time.

The key is to minimize excess moisture. Use no-boil noodles, which absorb more liquid. If using fresh spinach, cook it down and squeeze out all the water. Most importantly, ensure your crab meat is well-drained and don’t overcrowd the pan when cooking the shrimp.

A combination of cheeses works best. Parmesan adds a nutty, salty flavor to the sauce, ricotta adds creaminess, and a generous topping of mozzarella provides that classic golden-brown crust and cheese pull. Provolone is also a great alternative to mozzarella.

Since the lasagna is very rich, simple sides work best. A crisp green salad with a lemon vinaigrette, steamed asparagus, or a loaf of crusty garlic bread are all excellent choices to complete the meal.

Share Your Culinary Creation!

We are so excited for you to try this amazing Shrimp and Crab Lasagna recipe! It’s a true showstopper that will have everyone asking for seconds. If you make it, don’t forget to leave a comment below and share your masterpiece on Pinterest!

A delicious slice of creamy Shrimp and Crab Lasagna on a white plate, showcasing layers of pasta, seafood, and melted cheese. The perfect seafood lasagna recipe for dinner.
The ultimate Shrimp and Crab Lasagna - packed with flavor and oh-so-creamy!

Shrimp and Crab Lasagna Recipe

An extreme close-up shot of a creamy seafood lasagna slice, highlighting the succulent pieces of shrimp and tender crab meat in a rich white sauce.

Shrimp and Crab Lasagna: A Creamy Seafood Delight

This Shrimp and Crab Lasagna recipe features tender pasta layered with succulent seafood and a rich, homemade creamy white sauce. An elegant and foolproof main course perfect for impressing guests or enjoying a luxurious family dinner.
Prep Time 25 minutes
Cook Time 50 minutes
Total Time 1 hour 15 minutes
Course Dinner, Main Course
Cuisine American, Italian
Servings 8 servings
Calories 580 kcal

Equipment

  • 1 9x13 inch baking dish
  • 1 Large Skillet or Saucepan
  • 1 Whisk

Ingredients
  

For Assembly

  • 1 lb lasagna noodles no-boil or oven-ready recommended
  • 2 cups shredded mozzarella cheese divided
  • 1/2 cup grated Parmesan cheese divided

For the Creamy Seafood Sauce

  • 6 tbsp unsalted butter
  • 1 small onion finely chopped
  • 3 cloves garlic minced
  • 1/2 cup all-purpose flour
  • 4 cups whole milk
  • 1 cup ricotta cheese
  • 1 lb medium shrimp peeled and deveined
  • 8 oz lump crab meat drained and picked over
  • 1 tsp salt or to taste
  • 1/2 tsp white pepper
  • 1/4 tsp ground nutmeg
  • 1/4 cup fresh parsley chopped

Instructions
 

  • Preheat oven to 375°F (190°C). Lightly grease a 9x13 inch baking dish.
  • If using regular lasagna noodles, cook according to package directions until al dente. Drain and set aside.
  • In a large skillet, melt 2 tablespoons of butter over medium heat. Add the shrimp and cook for 1-2 minutes until just pink. Remove shrimp and set aside. Do not overcook.
  • In the same skillet, melt the remaining 4 tablespoons of butter. Add the finely chopped onion and cook until translucent, about 3-4 minutes. Add the minced garlic and cook for another minute until fragrant.
  • Whisk in the flour and cook for 1 minute, stirring constantly, to form a roux.
  • Gradually pour in the whole milk, whisking continuously to prevent lumps. Bring the sauce to a simmer and cook for 5-7 minutes, until it has thickened enough to coat the back of a spoon.
  • Remove the sauce from the heat. Stir in the ricotta cheese, 1/4 cup of the Parmesan cheese, salt, white pepper, and nutmeg until smooth. Gently fold in the cooked shrimp, lump crab meat, and fresh parsley.
  • Spread about 1 cup of the seafood sauce on the bottom of the prepared baking dish. Arrange a layer of lasagna noodles on top.
  • Top the noodles with about one-third of the remaining sauce, spreading it evenly. Sprinkle with 1/2 cup of mozzarella cheese. Repeat the layering process two more times (noodles, sauce, mozzarella).
  • Finish with a final layer of noodles, the last of the sauce, and top with the remaining 1/2 cup mozzarella and 1/4 cup Parmesan cheese.
  • Cover the dish with aluminum foil and bake for 30 minutes. Remove the foil and continue to bake for an additional 15-20 minutes, or until the top is golden brown and bubbly.
  • Let the lasagna rest for at least 15 minutes before cutting and serving to allow it to set.

Notes

Tip 1: For the best flavor and texture, use freshly grated cheeses rather than pre-shredded varieties, which often contain anti-caking agents.
Tip 2: To prevent a watery lasagna, ensure your crab meat is well-drained and do not overcook the shrimp initially.
Tip 3: Letting the lasagna rest before slicing is crucial. It allows the layers to set, preventing the slices from falling apart.

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