There’s something luxuriously comforting about Seafood Lasagna with Shrimp and Crab — a creamy, indulgent twist on a classic Italian favorite.
Layers of tender pasta, succulent shrimp, sweet crab, and rich Alfredo sauce come together in one elegant dish that feels special yet approachable.
It’s perfect for holidays, romantic dinners, or when you want to impress without spending hours in the kitchen.
Why You’ll Love This Recipe
This seafood lasagna is rich, cheesy, and irresistibly creamy.
It blends the sweetness of crab and the tenderness of shrimp with layers of creamy ricotta and Alfredo sauce.
Every bite is a perfect balance of textures — silky pasta, luscious sauce, and a golden cheesy crust.
Despite its fancy feel, it’s surprisingly simple to make and can be prepared ahead of time.
What You’ll Need (Ingredient Highlights)
Lasagna noodles – the foundation that holds everything together.
Shrimp and crab meat – the stars of the dish, adding juicy, ocean-fresh flavor.
Ricotta cheese – gives creaminess and structure to the filling.
Mozzarella and Parmesan – melt into a rich, golden topping.
Alfredo sauce – brings that luscious, buttery flavor that defines this dish.
Heavy cream – deepens the sauce’s richness and silkiness.
Garlic and olive oil – add savory depth and aroma.
Breadcrumbs – create a crisp, golden crust on top.
Parsley – adds a fresh finishing touch and color.
Pro Tips Before You Start
Use fresh seafood if possible for the best flavor and texture.
Cook your noodles al dente — they’ll finish cooking in the oven.
Drain the shrimp and crab well to avoid a watery lasagna.
Add red pepper flakes sparingly for a gentle heat.
Let the lasagna rest for 10 minutes before cutting — this keeps the layers neat.
How to Make Seafood Lasagna with Shrimp and Crab
Step 1 – Cook the pasta
Preheat oven to 375°F (190°C).
Cook lasagna noodles according to package instructions.
Drain and set aside.
Step 2 – Prepare the seafood
Heat olive oil in a skillet over medium heat.
Add minced garlic and sauté until fragrant.
Add shrimp and cook until pink, about 3–4 minutes.
Stir in crab meat, salt, black pepper, and red pepper flakes.
Cook 2–3 minutes more, then remove from heat.
Step 3 – Make the cheese mixture
In a mixing bowl, combine ricotta cheese, mozzarella, Parmesan, heavy cream, and parsley.
Stir until smooth and fully blended.
Step 4 – Assemble the lasagna
Spread a thin layer of Alfredo sauce on the bottom of a 9×13-inch baking dish.
Layer noodles, the cheese mixture, and the seafood mixture.
Drizzle with Alfredo sauce.
Repeat two more times, finishing with a final layer of noodles and Alfredo sauce.
Step 5 – Top and bake
Sprinkle remaining mozzarella, Parmesan, and breadcrumbs on top.
Cover with foil and bake for 25 minutes.
Remove foil and bake an additional 10–15 minutes until golden and bubbling.
Step 6 – Rest and serve
Let the lasagna rest for 10 minutes before slicing.
Garnish with parsley and serve warm.
What to Serve It With
A crisp green salad with lemon vinaigrette.
Garlic bread or focaccia for dipping into the sauce.
Roasted asparagus or steamed green beans for balance.
A glass of white wine such as Chardonnay or Pinot Grigio.
Lemon wedges for a fresh, bright touch.
Variations / Substitutions
Use scallops or lobster for an elevated version.
Replace Alfredo sauce with a light béchamel for a milder flavor.
Add spinach or mushrooms between the layers for extra texture.
Swap ricotta for cottage cheese if preferred.
Try gluten-free lasagna noodles if needed.
Storage & Leftovers
Cool completely before storing.
Refrigerate covered for up to 3 days.
Reheat in the oven at 350°F (175°C) until hot and bubbly.
Freeze (unbaked) for up to 2 months — thaw overnight before baking.
Avoid microwaving too long; it can dry out the sauce.
FAQs
Can I make seafood lasagna ahead of time?
Yes, assemble it up to a day in advance, cover, and refrigerate until ready to bake.
Can I use imitation crab instead of fresh?
Yes, it’s a good budget-friendly option and still tastes great.
Can I freeze seafood lasagna?
Yes, freeze before baking for best results, then bake from thawed.
What type of shrimp should I use?
Medium or large raw shrimp, peeled and deveined, work best.
Can I use store-bought Alfredo sauce?
Yes, it saves time and still yields a delicious result.
Can I make it spicier?
Add more red pepper flakes or a dash of hot sauce to the sauce.
How can I make it lighter?
Use half-and-half instead of cream and low-fat cheeses.
What’s the best pasta substitute for lasagna sheets?
You can use no-boil lasagna or thin layers of zucchini slices.
Can I add more cheese?
Absolutely — this recipe welcomes extra mozzarella or Parmesan.
What should I serve with this dish?
Pair it with salad, roasted vegetables, and white wine for a balanced meal.
Final Thoughts
This Seafood Lasagna with Shrimp and Crab is pure indulgence — a creamy, cheesy, ocean-inspired dish that brings luxury to your dinner table.
It’s elegant enough for entertaining yet simple enough for a cozy weekend meal.
With its layers of rich sauce, tender seafood, and melty cheese, this is a recipe you’ll want to make again and again.
