Seafood-Stuffed Shells Recipe

Featured in Fish Made Simple.

This seafood-stuffed shells recipe brings together tender pasta, juicy shrimp, sweet crab, and buttery scallops for a cozy and impressive dish. The rich béchamel sauce adds creaminess, while toasted breadcrumbs give it a crisp finish. Whether you're cooking for a special dinner or just craving something comforting and filling, this dish is a satisfying choice that feels fancy but comes together with simple steps. Everything bakes together in one dish, making it easy to serve and perfect for gatherings or weeknight meals. The seafood blend is seasoned just right and tucked into pasta shells for a hearty bite in every forkful.
Soo Ben
Updated on Thu, 27 Mar 2025 00:54:02 GMT
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These rich, creamy seafood-stuffed shells are filled with crabmeat, shrimp, and scallops, nestled into tender pasta and topped with buttery panko breadcrumbs. Baked until golden and bubbling, this dish offers a refined twist on classic baked pasta.

Ingredients

  • 8 oz crabmeat: picked over for shells
  • 6 oz shrimp: peeled, deveined, and diced (poached)
  • 6 oz scallops: diced (or use additional shrimp if preferred)
  • 2 tablespoons mayonnaise: creamy binder for seafood
  • 1 teaspoon Dijon mustard: adds tang and depth
  • 1/2 teaspoon Old Bay seasoning: for classic seafood flavor
  • 1 small shallot: minced for a mild onion flavor
  • 2 tablespoons fresh parsley: chopped for brightness
  • Salt and pepper: to taste
  • 16–18 jumbo pasta shells: cooked al dente
  • Salt: for pasta water
  • 2 tablespoons unsalted butter: base for béchamel
  • 2 tablespoons all-purpose flour: to thicken sauce
  • 2 cups whole milk: for creaminess
  • 1 bay leaf: adds flavor while simmering
  • Salt and freshly ground white pepper: to taste
  • 1/2 cup panko breadcrumbs: for crispy topping
  • 2 tablespoons unsalted butter: melted
  • Pinch of salt: to season topping

Instructions

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Step 1:
Bring a large pot of salted water to a boil. Add the jumbo pasta shells and cook until just shy of al dente (about 3 minutes less than package directions). Drain and set aside.
Step 2:
Return the hot pasta water to a simmer and poach shrimp and scallops just until opaque, about 1 to 2 minutes. Remove with a slotted spoon, let cool, and dice finely.
Step 3:
In a medium bowl, mix together the crabmeat, diced shrimp, and scallops. Stir in the mayonnaise, Dijon mustard, Old Bay seasoning, minced shallot, and chopped parsley. Season with salt and pepper. Mix gently to avoid breaking up the seafood.
Step 4:
Melt butter in a saucepan over medium heat. Whisk in flour and cook for 1 to 2 minutes, stirring constantly. Slowly whisk in the milk and add the bay leaf. Simmer gently for 5 to 7 minutes, whisking often, until the sauce is slightly thickened. Discard bay leaf and season with salt and white pepper.
Step 5:
Lightly butter or oil a baking dish. Spread a thin layer of béchamel sauce on the bottom. Fill each shell with a generous spoonful of the seafood mixture and arrange them in the dish.
Step 6:
Spoon the remaining béchamel sauce over the filled shells. In a small bowl, mix the panko breadcrumbs with melted butter and a pinch of salt. Sprinkle evenly over the shells.
Step 7:
Preheat oven to 375°F (190°C). Bake for 20 to 25 minutes, until the sauce is bubbling and the topping is golden and crisp.

To Serve

Spoon a few shells onto each plate and serve hot. The creamy seafood filling, delicate béchamel sauce, and buttery panko topping make this a standout main dish perfect for elegant dinners or cozy gatherings.

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Notes & Tips

  • Seafood Variations: You can adjust the seafood mix based on availability—lobster, crab, shrimp, or white fish all work well.
  • Breadcrumbs: Use fresh panko for best texture. Lightly toasting them before mixing with butter adds extra flavor.
  • Make Ahead: The shells can be assembled (without the breadcrumb topping) up to one day in advance. Cover and refrigerate. Add topping just before baking.

Frequently Asked Questions

→ Can I use frozen seafood for this recipe?
Yes, just be sure to thaw it completely and pat it dry before using to avoid extra moisture.
→ What can I use instead of scallops?
You can substitute the scallops with more shrimp or crabmeat if you prefer.
→ Can I prepare this ahead of time?
Yes, you can assemble the shells and refrigerate them up to a day in advance. Bake when ready.
→ How do I store leftovers?
Keep leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in the oven.
→ Can I freeze this dish?
Yes, freeze before baking for best results. Thaw in the fridge and bake as directed when ready.

Seafood Stuffed Shells

Stuffed pasta shells loaded with creamy shrimp, crab, and scallops, then baked until golden.

Prep Time
15 Minutes
Cook Time
60 Minutes
Total Time
75 Minutes
By: Sou

Category: Seafood

Difficulty: Intermediate

Cuisine: American

Yield: 6 Servings (18 stuffed shells)

Dietary: ~

Ingredients

→ For the Shells and Filling

01 6 ounces jumbo pasta shells (about 25 shells)
02 Kosher salt, for boiling pasta
03 8 ounces peeled and deveined shrimp, chopped
04 1 pound lump crabmeat, picked over for shells
05 8 ounces dry-packed sea scallops, cut into small pieces
06 2 tablespoons Dijon mustard
07 1/2 cup mayonnaise
08 Dash of Old Bay seasoning
09 1 medium shallot, minced
10 Small handful of flat-leaf parsley, minced, plus more for garnish
11 Freshly ground black pepper, to taste

→ For the Béchamel Sauce

12 3 1/2 tablespoons unsalted butter, divided
13 1 1/2 tablespoons all-purpose flour
14 1 1/2 cups milk
15 1 bay leaf
16 Salt and pepper, to taste

→ For Topping

17 1 cup panko breadcrumbs
18 Extra-virgin olive oil, for greasing and drizzling

Instructions

Step 01

Bring a large pot of salted water to a boil. Cook the pasta shells according to the package instructions for baking. Drain, rinse under cold water, drizzle with a bit of olive oil, and set aside.

Step 02

Poach the shrimp in the same water for 1 to 2 minutes until just cooked. Transfer to an ice bath to stop the cooking, then chop them into small pieces.

Step 03

In a large bowl, mix together the chopped shrimp, crabmeat, scallops, Dijon mustard, mayo, Old Bay, shallot, and parsley. Season with salt and pepper. Set aside.

Step 04

In a small saucepan, melt 1 1/2 tablespoons butter over medium heat. Whisk in the flour and cook for about 1 minute. Slowly whisk in the milk and add the bay leaf. Simmer until slightly thickened. Season with salt and pepper, then remove bay leaf.

Step 05

Grease a 9x13 baking dish with oil. Spread 1/2 cup of the béchamel sauce on the bottom. Fill each shell with seafood filling and arrange them in the dish. Spoon the remaining sauce over the top.

Step 06

Melt the remaining 2 tablespoons of butter and mix with breadcrumbs. Sprinkle the mixture evenly over the stuffed shells. Bake at 325°F for 25 minutes, then broil briefly until the top is golden. Garnish with parsley and serve warm.

Notes

  1. You can prepare the shells a day ahead and bake when ready to serve.
  2. Substitute scallops with extra shrimp if needed.

Tools You'll Need

  • Large pot for boiling pasta and poaching shrimp
  • Mixing bowls
  • Small saucepan
  • 9x13-inch baking dish
  • Spoon for stuffing shells

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Shellfish
  • Dairy

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 430
  • Total Fat: 28 g
  • Total Carbohydrate: 28 g
  • Protein: 22 g