Name: Shrimp Crab Lasagna Recipe
Prep time: 30 min
Cook time: 45 min
Total time: 75 min
Ingredients: 12 lasagna noodles; 2 tablespoons olive oil; 1 pound raw shrimp, peeled, deveined, and chopped; 8 ounces lump crab meat, drained and picked over; 3 tablespoons unsalted butter; 3 tablespoons all-purpose flour; 3 cups whole milk; 1 cup heavy cream; 3 cloves garlic, minced; 1 cup grated Parmesan cheese, divided; 2 cups shredded mozzarella cheese; 1 cup ricotta cheese; 1 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 1/2 teaspoon dried Italian seasoning; 2 tablespoons fresh parsley, chopped; 2 tablespoons grated Parmesan cheese, for topping

Shrimp Crab Lasagna Recipe layers tender pasta, sweet seafood, and creamy cheese into a rich, cozy pan of comfort that tastes like a coastal vacation baked in your oven. It suits seafood lovers who want a special-occasion dinner that still comes together in about 1 hour 15 minutes from start to finish. I first made this for a Sunday dinner when I craved seafood and lasagna at the same time, and my family still asks for it on birthdays.

Why Make This Shrimp Crab Lasagna Recipe at Home

You control the seafood quality, the amount of cheese, and the seasoning, so every bite hits exactly how you like it. Restaurants often skimp on the crab or drown everything in sauce, while this version keeps a balance of shrimp, crab, pasta, and creamy garlic sauce.

You also stretch pricier seafood into a full pan that feeds a crowd, which feels pretty satisfying. Leftovers taste even better the next day, so you get a second excellent meal without extra work.

“This Shrimp Crab Lasagna Recipe tastes like a seafood feast in a casserole dish, and my whole family scraped their plates clean. ★★★★★”

Ingredients You Need

Seafood

1 pound raw shrimp, peeled and deveined, tails removed
- Medium or large shrimp both work; I like 31–40 count for nice bites.
- Frozen shrimp works great; thaw it in the fridge overnight or under cold water.
8 ounces lump crab meat
- Use real crab, not imitation, for best flavor.
- Canned crab in the refrigerated seafood section works as a budget shortcut.

Pasta & Cheeses

9–12 lasagna noodles
- Use regular noodles and boil them, or use no-boil noodles and add a bit more sauce.
2 cups shredded mozzarella cheese
- Low-moisture, part-skim melts nicely and browns well.
1 cup shredded provolone or Italian blend cheese
1 cup grated Parmesan cheese, divided
- Use half in the filling and half on top.
15 ounces ricotta cheese
- Whole milk ricotta gives the creamiest texture.
1 large egg
- Helps the ricotta layer set and slice cleanly.

Sauce & Seasoning

4 tablespoons unsalted butter
3 tablespoons olive oil
4 cloves garlic, minced
1 small onion, finely diced
3 tablespoons all-purpose flour
3 cups whole milk
- You can swap 1 cup with half-and-half for a richer sauce.
1 teaspoon kosher salt, plus more to taste
½ teaspoon black pepper
½ teaspoon crushed red pepper flakes (optional, for a little heat)
1 teaspoon Old Bay or similar seafood seasoning
1 teaspoon dried Italian seasoning
2 tablespoons fresh parsley, chopped
Zest of 1 lemon
- Adds brightness and keeps the sauce from feeling heavy.

Optional Add-ins

1 cup baby spinach, roughly chopped
½ cup finely diced roasted red peppers
½ cup finely grated Pecorino Romano cheese instead of some Parmesan for extra sharpness

Pantry Shortcuts & Notes

Use jarred Alfredo sauce if you feel short on time; you will need about 3 cups.
Use pre-shredded cheese to save time, but grate at least the Parmesan fresh for better flavor.
Use pre-chopped frozen onions and garlic paste as quick helpers on busy nights.

Equipment

9×13 inch baking dish
Large skillet or sauté pan
Medium saucepan (if you make the sauce separately)
Large pot for boiling noodles
Colander
Mixing bowls
Whisk
Wooden spoon or spatula
Aluminum foil

Tips & Mistakes

Boil lasagna noodles until just shy of al dente so they finish cooking in the oven and keep their structure.
Pat shrimp and crab dry with paper towels so they do not water down the sauce.
Season each layer lightly with salt and pepper so the final lasagna tastes balanced, not bland.
Cut shrimp into bite-size pieces so they distribute evenly and stay tender.
Sauté shrimp only until they turn pink and opaque, then pull them off the heat to avoid rubbery texture.
Fold crab gently into the sauce or filling so it stays in nice chunks.
Let the lasagna rest 15 to 20 minutes after baking so it sets and slices cleanly.
Cover the pan with foil for most of the bake time so the top does not burn before the center heats through.
Place the baking dish on a sheet pan to catch any bubbly overflow and keep your oven clean.
Use a sharp knife and a spatula with a thin edge to lift neat squares.

How to Make Shrimp Crab Lasagna Recipe

Step 1: Prep and Boil the Noodles

Bring a large pot of salted water to a boil. Add lasagna noodles and cook until just tender, about 7 to 8 minutes for regular noodles. Drain them, rinse briefly with cool water to stop cooking, and lay them flat on a lightly oiled baking sheet or parchment so they do not stick.

If you use no-boil noodles, skip the boiling step. Keep a little extra sauce on hand since no-boil noodles absorb more liquid.

Step 2: Cook the Shrimp

Pat the shrimp dry with paper towels and cut large shrimp into 2 or 3 pieces each. Heat 2 tablespoons olive oil in a large skillet over medium heat. Add shrimp, season with a pinch of salt, pepper, and a little Old Bay, and cook 2 to 3 minutes until they turn pink and opaque.

Transfer the shrimp to a bowl and set aside. They will finish gently in the oven and stay tender.

Step 3: Make the Garlic Cream Sauce

In the same skillet, add 2 tablespoons butter and the remaining 1 tablespoon olive oil. Add diced onion and cook 4 to 5 minutes until it softens and turns translucent. Add minced garlic and cook 30 seconds until fragrant.

Sprinkle flour over the onion and garlic and stir constantly for about 1 minute to cook out the raw flour taste. Slowly whisk in the milk, a little at a time, while you stir so the sauce stays smooth. Bring the mixture to a gentle simmer and cook 4 to 5 minutes until it thickens enough to coat the back of a spoon.

Season the sauce with salt, black pepper, crushed red pepper flakes, Italian seasoning, and remaining Old Bay. Stir in half of the Parmesan cheese and 1 tablespoon chopped parsley. Add lemon zest and taste, then adjust seasoning as needed.

Step 4: Fold in the Seafood

Gently fold the cooked shrimp and crab meat into the sauce. If you use spinach or roasted red peppers, stir them in now. Keep the heat low and cook just 1 to 2 minutes so everything warms through without overcooking the seafood.

Turn off the heat and set the skillet aside. The sauce should feel creamy but not soupy; if it looks too thick, stir in a splash of milk.

Step 5: Mix the Ricotta Layer

In a medium bowl, combine ricotta, egg, remaining Parmesan, and 1 tablespoon chopped parsley. Add a pinch of salt and pepper. Stir until the mixture looks smooth and creamy.

If you like a lighter texture, stir in 2 to 3 tablespoons of the warm cream sauce. This step helps the ricotta layer blend nicely with the rest of the lasagna.

Step 6: Assemble the Lasagna

Preheat your oven to 375°F. Lightly grease a 9×13 inch baking dish with butter or cooking spray. Spread a thin layer of the seafood cream sauce on the bottom of the dish to keep the noodles from sticking.

Lay 3 to 4 noodles in a single layer to cover the bottom. Spread one-third of the ricotta mixture over the noodles. Spoon one-third of the shrimp crab sauce over the ricotta, then sprinkle with a mix of mozzarella and provolone.

Repeat the layers two more times: noodles, ricotta, seafood sauce, shredded cheese. Finish with a final layer of noodles, a thin layer of sauce, and a generous sprinkle of mozzarella, provolone, and a little extra Parmesan on top.

Step 7: Bake

Cover the baking dish tightly with foil, tenting it slightly so the cheese does not stick. Bake at 375°F for 25 to 30 minutes until the lasagna heats through and the edges bubble. Remove the foil and bake another 10 to 15 minutes until the top turns golden and the cheese browns in spots.

If you want extra color, switch to broil for 1 to 2 minutes at the end and watch closely. Pull the lasagna out and let it rest at least 15 minutes before slicing.

Step 8: Slice and Serve

Use a sharp knife to cut the lasagna into squares. Slide a spatula under each piece and lift gently so the layers stay intact. Sprinkle with extra parsley or a little lemon zest for a fresh finish.

Serve hot and enjoy that creamy, cheesy, seafood goodness. Listen for the quiet at the table, because people usually stop talking once they take the first bite.

Variations I've Tried

Spinach Shrimp Crab Lasagna
Stir 2 cups fresh chopped spinach into the sauce with the seafood. The greens add color and make the lasagna feel a bit lighter.
Spicy Cajun Shrimp Crab Lasagna
Swap Old Bay with Cajun seasoning and add extra crushed red pepper. Top with a little pepper jack cheese mixed into the mozzarella for a gentle kick.
Mushroom Shrimp Crab Lasagna
Sauté 8 ounces sliced mushrooms in butter until they brown and add them to the sauce. The mushrooms add a savory depth that pairs nicely with the sweet crab.
Lighter Shrimp Crab Lasagna
Use part-skim ricotta, reduce the mozzarella slightly, and use 2 percent milk in the sauce. The texture stays creamy while the dish feels a bit less heavy.

How to Serve Shrimp Crab Lasagna Recipe

Serve this Shrimp Crab Lasagna Recipe with a crisp green salad tossed in a lemony vinaigrette to cut through the richness. Add garlic bread or warm crusty rolls so everyone can scoop up the extra sauce. A simple side of steamed broccoli or roasted asparagus keeps the plate colorful and fresh.

Kids usually love this dish, so you can pair it with fruit salad or cucumber slices for them. Finish the meal with something light like sorbet or fresh berries so nobody feels too stuffed.

How to store

Cool leftovers to room temperature within 1 hour, then cover the baking dish tightly or transfer slices to airtight containers.
Store in the fridge for up to 3 days; reheat individual portions in the microwave with a splash of milk and a cover so they stay moist.
Freeze slices tightly wrapped in plastic and then foil, or in freezer-safe containers, for up to 2 months.
Reheat from frozen in a covered baking dish at 350°F for 30 to 40 minutes, or thaw overnight in the fridge and warm 20 to 25 minutes until hot in the center.