Shrimp Crab Lasagna

I still get excited every time the oven hums and the kitchen fills with a scent of garlic, cream, and melting cheese. This shrimp and crab lasagna layers tender seafood with ricotta, Alfredo, and a crisp breadcrumb top for a dinner that feels both indulgent and celebratory. It’s a great showstopper for dinner parties, holidays, or a weekend when you want something special without complicated technique.

Why you’ll love this dish

This shrimp crab lasagna hits that sweet spot between elegant and approachable. It uses familiar lasagna assembly—no bechamel gymnastics—yet the seafood elevates it beyond a weeknight casserole. The heavy cream and Alfredo sauce keep the interior luxuriously saucy so the noodles don’t dry out, and the breadcrumb topping gives a crunchy contrast to the soft, cheesy layers.

“Creamy, seafood-forward, and surprisingly simple—my family asked for seconds and I loved how fast it came together.”

Notes:

• If you want to pair a lighter dessert, try something like a layered sweet for contrast, such as this dessert lasagna.
• This dish works for special occasions and for turning leftover holiday shrimp/crab into something new.

The cooking process explained

Before you start, here’s the simple flow: boil noodles → sauté shrimp + crab → mix cheeses → assemble three layers → bake until bubbly and golden. It’s straightforward, but a few timing points (like resting after baking) make a big difference in texture and sliceability.

High-level steps:

• Preheat oven to 375°F (190°C).
• Boil lasagna noodles and cool them.
• Sauté garlic, shrimp, and crab; season.
• Mix ricotta, cream, herbs, and cheeses.
• Layer noodles, cheese mixture, seafood, and Alfredo in a 9×13 pan (three layers).
• Top with remaining cheeses and breadcrumbs; cover and bake, then uncover to brown.
• Rest 10 minutes before serving.

What you’ll need

• 12 sheets lasagna noodles (regular or no-boil if you adjust sauce)
• 1 lb crab meat (lump or claw; flake if pre-cooked)
• 1 lb shrimp, peeled and deveined
• 2 cups shredded mozzarella, divided
• 2 cups ricotta cheese
• 1 cup grated Parmesan cheese, divided
• 1 cup heavy cream
• 4 cups Alfredo sauce (store-bought or homemade)
• 1/2 tsp chili flakes (optional)
• 2 sprigs parsley, finely chopped (about 2 tbsp)
• 1 tsp salt
• 2 garlic cloves, minced
• 2 tbsp olive oil
• 1 tsp ground black pepper
• 1/2 cup breadcrumb topping

Ingredient notes and substitutions:

• Short on heavy cream? Substitute with whole milk plus 2 tbsp melted butter for body, but the texture will be slightly lighter.
• Use pre-cooked crab and shrimp to speed things up; just warm gently with garlic so they don’t overcook.
• For lower sodium, choose a low-salt Alfredo or reduce added salt and rely on Parmesan for seasoning.

Step-by-step instructions

1. Preheat the oven to 375°F (190°C). Lightly oil a 9×13-inch baking pan and spread a thin layer of Alfredo sauce on the bottom to prevent sticking.
2. Boil the lasagna noodles according to package directions. Drain them and lay them flat on a sheet or tray to cool so they don’t clump.
3. Heat 2 tablespoons olive oil in a large skillet over medium heat. Add the minced garlic and cook 30–60 seconds until fragrant.
4. Add the shrimp and sauté 3–4 minutes, stirring, until they turn pink and opaque through. Remove shrimp to a bowl if you prefer to avoid overcooking during the rest of the process.
5. In the same pan, add the crab meat, salt, black pepper, and chili flakes (if using). Cook 2–3 minutes to warm the crab and marry the flavors. Combine with the shrimp and remove from heat.
6. In a mixing bowl, whisk together ricotta, 1 cup mozzarella, half the Parmesan, chopped parsley, and heavy cream until smooth and spreadable. Taste and adjust seasoning.
7. Assemble: place a layer of noodles in the pan, spread a portion of the ricotta mixture over them, add some seafood, and drizzle generously with Alfredo. Repeat to create three layers, finishing with a final noodle layer and a generous top layer of Alfredo sauce.
8. Sprinkle the top with the remaining Parmesan, remaining mozzarella, and finish with the breadcrumb topping. Cover loosely with foil.
9. Bake covered for 25 minutes. Remove foil and bake another 10–15 minutes until the top is bubbling and golden brown. If breadcrumbs brown too fast, tent foil lightly.
10. Let the lasagna rest 10 minutes before slicing so the layers set. Garnish with extra chopped parsley and serve.

Best ways to enjoy it

Serve slices on warm plates so the cheese stays luscious. Pairings that work well:

• Crisp green salad with lemon vinaigrette to cut the richness.
• Steamed asparagus or roasted broccolini for a bright vegetable contrast.
• A dry white wine like Sauvignon Blanc or a light Chardonnay balances the creaminess.

For a playful surf-and-turf night, serve smaller portions alongside grilled steak or tuck the leftovers into handheld rolls. If you want a seafood theme, check out this shrimp francese for another lemony, buttery option.

Storage and reheating tips

• Refrigeration: Cool the lasagna to room temperature (no more than 2 hours), then cover and refrigerate for up to 3 days. Seafood is more delicate than beef, so eat sooner rather than later.
• Freezing: Freeze portions in airtight containers for up to 2 months. Thaw overnight in the fridge before reheating for best texture.
• Reheating: Reheat individual slices in a 350°F oven for 15–20 minutes covered, then uncover to crisp the topping. A microwave works for quick reheats but may make the noodles softer.
  Food safety: homemade seafood casseroles should be reheated to 165°F (74°C) before serving. Discard any leftovers kept at room temperature for more than 2 hours.

Pro chef tips

• Don’t overcook the shrimp in the pan. Pull them as soon as they’re pink and opaque; they’ll warm again in the oven.
• Make the cheese mixture a bit loose — the heavy cream keeps it smooth and prevents a dry lasagna.
• Use day-old or slightly dried noodles if you can: they hold up better and absorb sauce without getting mushy.
• Toast the breadcrumbs in a little butter until golden before topping for extra flavor and crunch.
• If using no-boil noodles, slightly reduce the sauce in the layers or add a touch more cream so the lasagna finishes with tender layers, not gummy ones.
  Try a retro chilled seafood salad as a starter if you’re serving this at a party—something like a classic shrimp mold can add fun contrast: shrimp mold.

Creative twists

• Spice it up: add a pinch more chili flakes or a splash of hot sauce to the seafood for heat.
• Shellfish swap: substitute lobster meat for the crab for a more luxurious version.
• Lighter take: use half Alfredo and half marinara for a tomato-cream balance and a slightly brighter finish.
• Gluten-free: use gluten-free lasagna sheets and gluten-free breadcrumbs.
• Herb-forward: fold basil or tarragon into the ricotta mix for a fresh herbal lift.

Your questions answered

Q: Can I use frozen shrimp and crab?
A: Yes. Thaw overnight in the refrigerator, drain well, and pat dry before cooking to avoid excess water that can make the lasagna watery.

Q: Is this safe for children?
A: Absolutely—just omit the chili flakes for kid-friendly heat levels. Ensure seafood is fully cooked and avoid serving to anyone with shellfish allergies.

Q: How long does this take start-to-finish?
A: Active prep and cooking are about 40–50 minutes (sautéing, mixing, assembling). Baking and resting add ~40–50 minutes, so plan 1.5–2 hours total.

Q: Can I assemble ahead?
A: Yes. Assemble, cover tightly, and refrigerate up to 24 hours. Add 5–10 minutes to the baking time if taking cold from the fridge.

Q: Can I make this dairy-free?
A: You can, but substitutions are trickier—use a dairy-free Alfredo and plant-based ricotta, and choose dairy-free shredded cheese. Texture and flavor will differ from the original.

Conclusion

If you enjoy seafood lasagna but want a version that’s creamy and party-ready, this shrimp and crab lasagna delivers. For more inspiration and video guidance on seafood lasagna techniques, see Easy Seafood Lasagna { + video } – Family Fresh Meals. For another detailed seafood lasagna that includes crab, lobster, and shrimp and ideas on layering and sauce, check out Seafood Lasagna Recipe (with Crab, Lobster, and Shrimp) | The Kitchn.

Enjoy the rich, creamy layers—and don’t forget the 10-minute rest before slicing.

Shrimp and Crab Lasagna

This shrimp and crab lasagna combines tender seafood layers with ricotta, Alfredo, and a crisp breadcrumb topping for an indulgent yet approachable dish perfect for special occasions.

Print Recipe Pin Recipe

Prep Time 50 minutes mins

Cook Time 50 minutes mins

Total Time 1 hour hr 40 minutes mins

Course Dinner, Main Course

Cuisine Italian, Seafood

Servings 8 servings

Calories 550 kcal

Ingredients

  

Lasagna Layers

• 12 sheets lasagna noodles (regular or no-boil) Adjust the sauce quantity if using no-boil noodles.

Seafood

• 1 lb crab meat Use lump or claw crab; flake if pre-cooked.
• 1 lb shrimp Peeled and deveined.

Cheese Mixture

• 2 cups shredded mozzarella Divided usage.
• 2 cups ricotta cheese
• 1 cup grated Parmesan cheese Divided usage.
• 1 cup heavy cream

Seasonings and Other Ingredients

• 4 cups Alfredo sauce Store-bought or homemade.
• 1/2 tsp chili flakes Optional.
• 2 sprigs parsley Finely chopped (about 2 tbsp).
• 1 tsp salt
• 2 cloves garlic Minced.
• 2 tbsp olive oil
• 1 tsp ground black pepper
• 1/2 cup breadcrumb topping

Instructions

 

Preparation

• Preheat the oven to 375°F (190°C). Lightly oil a 9x13-inch baking pan and spread a thin layer of Alfredo sauce on the bottom.
• Boil lasagna noodles according to package directions. Drain and lay flat on a sheet to cool.
• Heat olive oil in a large skillet over medium heat. Add minced garlic and sauté for 30–60 seconds until fragrant.
• Add shrimp and sauté for 3–4 minutes until pink and opaque, then remove from heat.
• In the same pan, add crab meat, salt, black pepper, and optional chili flakes. Cook for 2–3 minutes to warm through.
• In a mixing bowl, whisk together ricotta, 1 cup mozzarella, half the Parmesan, parsley, and heavy cream until smooth.

Assembly

• Layer a portion of noodles in the pan, spread a layer of the ricotta mixture over them, add seafood and drizzle generously with Alfredo. Repeat for three layers.
• Finish with a final noodle layer and top generously with remaining Alfredo, Parmesan, mozzarella, and breadcrumb topping. Cover loosely with foil.

Cooking

• Bake covered for 25 minutes. Remove foil and bake an additional 10–15 minutes until bubbling and golden brown.
• Let the lasagna rest for 10 minutes before slicing.

Notes

Serve with a crisp green salad or vegetables. Refrigerate leftovers for up to 3 days. Can be frozen for 2 months.

Keyword Crab, Indulgent Dinner, Party Food, Seafood Lasagna, Shrimp