Name: Shrimp Crab Lasagna Recipe
Prep time: 30 min
Cook time: 45 min
Total time: 75 min
Ingredients: 1 pound raw shrimp, peeled, deveined, and chopped; 8 ounces lump crab meat, drained and picked over; 2 tablespoons unsalted butter; 3 garlic cloves, minced; 1 teaspoon Old Bay or seafood seasoning; 1/4 teaspoon freshly ground black pepper; 1/2 teaspoon kosher salt; 4 tablespoons unsalted butter; 1/4 cup all-purpose flour; 3 cups whole milk; 1/2 cup grated Parmesan cheese; 1 1/2 cups shredded mozzarella cheese, divided; 1 cup ricotta cheese; 1 large egg; 1/2 teaspoon salt; 1/4 teaspoon black pepper; 1/4 teaspoon crushed red pepper flakes; 2 tablespoons chopped fresh parsley; 9 lasagna noodles, cooked according to package directions; 1 tablespoon olive oil; 1/4 cup grated Parmesan cheese, for topping

Shrimp Crab Lasagna Recipe layers sweet seafood, creamy cheese, and garlicky tomato sauce into one bubbling pan of comfort that tastes like the best parts of an Italian dinner and a coastal seafood feast. It works perfectly for date night, holidays, or a cozy Sunday, and you can get it on the table in about 1 hour 15 minutes. I first made this on a rainy Tuesday when I needed carbs and seafood therapy, and it absolutely did the job.

Why Shrimp Crab Lasagna Recipe Is Worth It

This Shrimp Crab Lasagna Recipe gives you all the comfort of classic lasagna with a lighter, ocean-kissed flavor. The shrimp and crab stay tender and juicy, while the ricotta and mozzarella melt into a rich, cheesy blanket that still feels surprisingly fresh.

You can prep the components ahead, assemble later, and bake when guests arrive, which saves stress and dishes. It also looks fancy enough for a special occasion, but the method stays simple enough for a weeknight when you want leftovers that taste better the next day.

“I served this Shrimp Crab Lasagna Recipe at a family dinner, and everyone went quiet after the first bite. The layers tasted creamy, garlicky, and full of sweet seafood flavor without feeling heavy. Even the ‘I only eat meat lasagna’ crowd went back for seconds and asked for the recipe.”

Ingredients You Need

Seafood

1 pound raw shrimp, peeled and deveined, tails removed
- Medium or large shrimp both work; I prefer 21/25 size for juicy bites.
8 ounces lump crab meat
- Use refrigerated lump crab if possible; canned works in a pinch, just drain well.
1 tablespoon fresh lemon juice
1 teaspoon Old Bay or seafood seasoning
1/2 teaspoon kosher salt
1/4 teaspoon black pepper

Lasagna & Cheese Layer

9–12 lasagna noodles
- Use oven-ready noodles to save time, or boil regular noodles until just shy of al dente.
15 ounces whole-milk ricotta cheese
- Part-skim works, but whole-milk gives better creaminess.
1 large egg
1/2 cup grated Parmesan cheese
2 cups shredded low-moisture mozzarella cheese
1/2 cup shredded fontina or provolone (optional, for extra meltiness)
2 tablespoons chopped fresh parsley
1 tablespoon chopped fresh basil (or 1 teaspoon dried basil)
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/2 teaspoon kosher salt
1/4 teaspoon black pepper

Sauce & Veggies

2 tablespoons olive oil
2 tablespoons unsalted butter
1 small yellow onion, finely diced
3 cloves garlic, minced
1 small fennel bulb or 2 celery stalks, finely diced (optional but adds flavor)
1/2 teaspoon crushed red pepper flakes (optional, for heat)
1 can (28 ounces) crushed tomatoes
1/2 cup seafood stock, chicken broth, or vegetable broth
1 teaspoon dried oregano
1 teaspoon dried basil
1 teaspoon sugar (balances acidity; adjust to taste)
1/2 teaspoon kosher salt, plus more to taste
Zest of 1/2 lemon

Pantry Shortcuts & Brand Notes

Use a good jarred marinara sauce (about 3 cups) instead of crushed tomatoes and broth if you want a shortcut.
I like De Cecco or Barilla lasagna noodles because they hold up well and don’t turn mushy.
Use pre-shredded mozzarella in a pinch, but freshly shredded melts smoother and browns better.
Canned crab from Costco, Trader Joe’s, or a trusted seafood counter works well when fresh crab costs too much.

Equipment List

9×13-inch baking dish (ceramic or glass)
Large skillet or sauté pan
Medium saucepan (if you cook noodles separately)
Large mixing bowls (at least 2)
Whisk and wooden spoon or spatula
Sharp knife and cutting board
Aluminum foil
Colander (if boiling noodles)

Quick Tips & substitutions

Use oven-ready noodles if you want to skip boiling; just add a bit more sauce so they soften fully.
Swap lump crab with chopped imitation crab if you need a budget option; reduce added salt slightly since it runs salty.
Use cooked shrimp instead of raw; stir them into the sauce at the very end so they only warm through.
Replace ricotta with cottage cheese blended until smooth if you prefer a lighter, higher-protein filling.
Add a handful of spinach or chopped kale to the cheese layer for extra greens.
Use jarred marinara instead of homemade sauce when you want to cut prep time by 15–20 minutes.
Skip crushed red pepper if kids or spice-sensitive guests eat with you.
Use gluten-free lasagna noodles and double-check broth labels for a gluten-free version.
Swap mozzarella with Monterey Jack or a pizza blend if that’s what you have in the fridge.
Add a spoonful of pesto to the ricotta mixture for a herby twist.

How to Make Shrimp Crab Lasagna Recipe

Step 1: Sauté veggies and aromatics

Heat oil in a large stock pot or Dutch oven over medium heat. Once hot, add onions and carrots; cook until soft, about 8 minutes. Stir in garlic, ginger, harissa, coriander, and turmeric; cook 2 minutes, until aromatic. Season with salt.

Step 2: Build the tomato seafood sauce

Heat the olive oil and butter in a large skillet over medium heat. Add the diced onion and fennel (or celery) and sauté until soft and lightly golden, about 6–8 minutes. Stir in the minced garlic and crushed red pepper flakes and cook 1–2 minutes, until the garlic smells fragrant and toasty.

Pour in the crushed tomatoes and broth, then stir in dried oregano, dried basil, sugar, salt, and lemon zest. Bring the sauce to a gentle simmer and cook 12–15 minutes, stirring occasionally, until it thickens slightly and the flavors meld. Taste and adjust salt or sugar as needed, then turn the heat to low.

Step 3: Season and prep the seafood

Pat the shrimp dry with paper towels and cut them into bite-size pieces if they run large. Add the shrimp to a bowl with the crab meat, lemon juice, Old Bay, salt, and pepper. Toss gently so you keep the crab in nice chunks.

Scoop about 1 cup of the warm tomato sauce into the seafood bowl and fold it in. This step helps the shrimp start to cook gently and seasons the seafood mixture. Set the bowl aside while you prep the cheese layer and noodles.

Step 4: Mix the cheese filling

In a large mixing bowl, add ricotta, egg, Parmesan, 1 cup of the shredded mozzarella, and fontina or provolone if you use it. Sprinkle in parsley, basil, garlic powder, onion powder, salt, and pepper. Whisk or stir until the mixture looks smooth and creamy with the herbs evenly distributed.

Taste a tiny bit and adjust salt or herbs if needed. The cheese layer should taste well-seasoned on its own, since it carries a lot of flavor in the lasagna. Set the bowl aside.

Step 5: Prep the noodles

If you use regular lasagna noodles, bring a large pot of salted water to a boil. Add the noodles and cook until just shy of al dente, usually 1–2 minutes less than the package suggests. Stir occasionally so they don’t stick.

Drain the noodles and lay them flat on a lightly oiled baking sheet or clean kitchen towel. This step keeps them from sticking together while you assemble. If you use oven-ready noodles, you can skip boiling and move straight to assembly.

Step 6: Assemble the Shrimp Crab Lasagna Recipe

Preheat your oven to 375°F (190°C). Spread a thin layer of tomato sauce (about 1/2–3/4 cup) over the bottom of a 9×13-inch baking dish. Lay 3–4 noodles over the sauce, slightly overlapping if needed.

Spread one-third of the ricotta mixture over the noodles. Spoon one-third of the seafood mixture over the ricotta, then drizzle a little extra tomato sauce over the top. Sprinkle a small handful of mozzarella over this layer.

Repeat the layers (noodles, ricotta, seafood, sauce, mozzarella) two more times, ending with noodles, a generous layer of sauce, and the remaining mozzarella and Parmesan on top. Make sure you cover the noodles fully with sauce and cheese so they don’t dry out. Cover the dish tightly with foil, tenting it slightly so it doesn’t stick to the cheese.

Step 7: Bake to bubbly perfection

Place the covered lasagna on the middle rack and bake for 25–30 minutes. Remove the foil and bake another 15–20 minutes, until the top turns golden and the sauce bubbles around the edges. If you want extra browning, switch the oven to broil for 1–2 minutes, but watch closely so it doesn’t burn.

Once baked, remove the lasagna from the oven and let it rest for at least 10–15 minutes. This rest time helps the layers set so you slice clean squares instead of a cheesy slide show. Sprinkle with extra parsley or basil before serving.

Step 8: Slice and serve

Use a sharp knife to cut the lasagna into squares, then lift each piece out with a spatula. Scoop a little extra sauce from the corners of the pan over each slice if you like things saucy. Serve hot with a simple side salad or garlic bread.

If you cooked this for guests, accept the compliments gracefully and pretend you didn’t already plan to eat leftovers for breakfast. The seafood flavor deepens as it sits, so the second day tastes even better.

Recipe Variations

Gluten-free: Use gluten-free lasagna noodles and check your broth and seasoning blends for gluten-free labels.
Low carb: Swap noodles with thin slices of zucchini or eggplant that you roast briefly first to remove moisture.
Extra veggie: Add sautéed spinach, mushrooms, or roasted red peppers between layers.
Spicy version: Increase crushed red pepper and add a pinch of cayenne to the sauce.
Extra cheesy: Add more mozzarella on top and a layer of provolone slices over the final noodles.
Budget-friendly: Use more shrimp and less crab, or use imitation crab mixed with a smaller amount of lump crab.
Herb-forward: Stir a spoonful of pesto or extra fresh basil into the ricotta mixture.

Ways to Serve Shrimp Crab Lasagna Recipe

Pair with a crisp green salad with lemony vinaigrette.
Add garlic bread or cheesy breadsticks for serious comfort.
Serve with roasted asparagus, green beans, or broccoli on the side.
Offer a simple fruit salad for a light, sweet finish.
Pack smaller squares in lunch containers with a side of cucumber slices or cherry tomatoes.

Storage Success

Let the Shrimp Crab Lasagna Recipe cool to room temperature, then cover the dish tightly or transfer slices to airtight containers. Store in the refrigerator for up to 3 days and reheat in the oven at 350°F until hot in the center, or microwave individual portions. For longer storage, wrap cooled slices tightly in plastic wrap and then foil, and freeze for up to 2 months. Thaw overnight in the fridge and reheat in the oven so the cheese melts again and the seafood stays tender.