How long does this seafood stuffed shells recipe take to cook?

About an hour total, hon! You're looking at about 30 minutes of hands-on prep time for the filling and sauce, then another 25-30 minutes in the oven until it's all bubbly and golden. It's pretty quick for how impressive it looks!

Can I use different types of seafood or make substitutions?

Absolutely! I've tested this with both fresh and frozen shrimp and crab, and both work great. If you can't find fresh crab, canned lump crab meat is totally fine. You could even add some cooked scallops or lobster if you're feeling fancy! For dairy-free, coconut cream works surprisingly well in the sauce, and a plant-based ricotta substitute can work for the filling.

How can I store leftovers or make this dish ahead of time?

This is fantastic for meal prep Sunday! You can assemble the entire dish, cover it tightly, and pop it in the fridge for up to 2 days before baking. Just add about 10-15 minutes to the baking time if it's going in cold. Leftovers are even better the next day, honestly, and they'll keep in an airtight container in the fridge for 3-4 days.

My sauce always turns out lumpy or too thin. What's the trick?

Oh, I've been there! The secret is to whisk constantly when you're making the roux (butter and flour) and then gradually add your milk and cream, whisking like crazy the whole time. Don't dump it all in at once! If it's still a little thin, just let it simmer a few more minutes, stirring, and it thickens up as it cools.

What do you serve with seafood stuffed shells?

My family loves this with a simple side salad with a bright and citrusy vinaigrette to cut through the richness. And honestly, a crusty loaf of garlic bread is a must for soaking up all that amazing sauce! Sometimes I'll roast some asparagus or broccoli too for a little green.

Creamy Seafood Stuffed Shells Recipe

Name: Seafood Stuffed Shells
Prep time: 30 min
Cook time: 35 min
Total time: 1 h 5 min
Yield: 6 servings
Cuisine: Italian
Ingredients: 20 jumbo pasta shells; 1 cup cooked shrimp, chopped; 1 cup cooked crab meat (or imitation crab); 1 cup ricotta cheese; 1 cup shredded mozzarella cheese; ½ cup grated Parmesan cheese; 1 egg, lightly beaten; 2 cloves garlic, minced; 1 teaspoon Italian seasoning; Salt and pepper, to taste; 2 tablespoons butter; 2 tablespoons all-purpose flour; 2 cups milk; 1 cup heavy cream; ½ cup grated Parmesan cheese; 1 teaspoon garlic powder; Salt and pepper, to taste; ½ cup shredded mozzarella cheese; 2 tablespoons chopped parsley (for garnish)

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By Chef Clara

Last Updated: May 14, 2026

Enjoy our Seafood Stuffed Shells—creamy, savory, and generously filled with succulent seafood, baked to perfection in rich, flavorful sauce!

What makes this version different

Rich and Flavorful: A perfect combination of seafood and cheesy goodness.
Comforting and Satisfying: A great dish for special occasions or family dinners.
Easy to Prepare: Simple steps with a luxurious result.
Make-Ahead Friendly: Can be prepped in advance for convenience.

The ingredient lineup

For the Stuffed Shells:

20 jumbo pasta shells
1 cup cooked shrimp, chopped
1 cup cooked crab meat (or imitation crab)
1 cup ricotta cheese
1 cup shredded mozzarella cheese
½ cup grated Parmesan cheese
1 egg, lightly beaten
2 cloves garlic, minced
1 teaspoon Italian seasoning
Salt and pepper, to taste

For the Sauce:

2 tablespoons butter
2 tablespoons all-purpose flour
2 cups milk
1 cup heavy cream
½ cup grated Parmesan cheese
1 teaspoon garlic powder
Salt and pepper, to taste

For Topping:

½ cup shredded mozzarella cheese
2 tablespoons chopped parsley (for garnish)

Directions

1. Cook the Pasta Shells:

Preheat your oven to 375°F (190°C).
Cook the jumbo pasta shells according to the package instructions until al dente. Drain and set aside.

2. Prepare the Seafood Filling:

In a large bowl, combine the chopped shrimp, crab meat, ricotta cheese, mozzarella cheese, Parmesan cheese, egg, minced garlic, Italian seasoning, salt, and pepper. Mix until well combined.

3. Prepare the Sauce:

In a saucepan over medium heat, melt the butter. Add the flour and whisk continuously for about 1 minute to form a roux.
Gradually add the milk and heavy cream, whisking constantly to prevent lumps.
Stir in the Parmesan cheese and garlic powder. Season with salt and pepper to taste. Continue to cook until the sauce thickens, about 5 minutes. Remove from heat.

4. Assemble the Dish:

Spread a thin layer of the sauce on the bottom of a 9×13-inch baking dish.
Stuff each cooked pasta shell with the seafood filling and arrange them in the baking dish.
Pour the remaining sauce over the stuffed shells.
Sprinkle the ½ cup of shredded mozzarella cheese over the top.

5. Bake:

Cover the baking dish with aluminum foil and bake in the preheated oven for 25 minutes.
Remove the foil and bake for an additional 10 minutes, or until the cheese is bubbly and golden.
Garnish with chopped parsley before serving.

Time and servings

Servings: 6
Prep Time: 30 minutes
Cooking Time: 35 minutes
Total Time: 1 hour 5 minutes
Calories: Approximately 450 kcal per serving

Variations I love

Spicy Kick: Add red pepper flakes or a dash of hot sauce to the filling.
Different Seafood: Try scallops or lobster instead of crab and shrimp.
Herb Infusion: Incorporate fresh basil or thyme into the sauce for added depth of flavor.
Gluten-Free: Use gluten-free pasta shells and a flour substitute for the sauce.

What to do with leftovers

Refrigeration: Store leftovers in an airtight container for up to 3 days.
Freezing: Assemble the dish but do not bake; freeze for up to 2 months. Thaw in the refrigerator before baking.
Reheating: Warm in a 350°F (175°C) oven for about 15 minutes, or microwave individual portions.

FAQs

How long does Seafood Stuffed Shells last in the fridge?

Store in an airtight container in the refrigerator for 3 to 4 days per USDA food safety guidelines. This dish freezes well for up to 2 months if assembled but not baked, then thawed before baking. Reheat leftovers gently in the oven or microwave until warmed through.

Can I substitute butter in this recipe?

I’ve found that you can substitute butter in the sauce with olive oil for a slightly different flavor profile, or use a neutral oil like vegetable oil, though it might impact the richness. Margarine could also be used for a similar texture and fat content, offering a comparable result.

Can I make Seafood Stuffed Shells ahead of time?

In my experience, these Seafood Stuffed Shells are excellent for making ahead. You can fully assemble the dish, then cover and refrigerate it for up to a day before baking. Alternatively, you can freeze the unbaked dish for up to 2 months, thawing it in the refrigerator before baking as directed.

What goes well with Seafood Stuffed Shells?

Seafood Stuffed Shells pair wonderfully with a crisp green salad, some warm garlic bread, or a side of steamed asparagus. These lighter sides complement the rich and creamy main dish perfectly, offering a balanced and satisfying meal for any occasion.

Is Seafood Stuffed Shells gluten-free?

This recipe contains gluten from the jumbo pasta shells and all-purpose flour used in the sauce. To make it gluten-free, substitute with gluten-free pasta shells and use a gluten-free flour blend or cornstarch as a thickener for the sauce, following the recipe’s instructions.

Before you go

Seafood Stuffed Shells are a decadent and flavorful dish perfect for seafood lovers. Creamy, cheesy, and packed with shrimp and crab, this dish is ideal for special occasions or family dinners. Whether served fresh or made ahead, it’s sure to impress with its rich and satisfying taste.

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Seafood Stuffed Shells

Author: Chef Clara
Total Time: PT1H5M
Yield: 6 servings 1x

Print Recipe

Description

Enjoy our Seafood Stuffed Shells—creamy, savory, and generously filled with succulent seafood, baked to perfection in rich, flavorful sauce!

Ingredients

Scale

For the Stuffed Shells:

20 jumbo pasta shells
1 cup cooked shrimp, chopped
1 cup cooked crab meat (or imitation crab)
1 cup ricotta cheese
1 cup shredded mozzarella cheese
½ cup grated Parmesan cheese
1 egg, lightly beaten
2 cloves garlic, minced
1 teaspoon Italian seasoning
Salt and pepper, to taste

For the Sauce:

2 tablespoons butter
2 tablespoons all-purpose flour
2 cups milk
1 cup heavy cream
½ cup grated Parmesan cheese
1 teaspoon garlic powder
Salt and pepper, to taste

For Topping:

½ cup shredded mozzarella cheese
2 tablespoons chopped parsley (for garnish)

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Instructions

Cook the Pasta Shells:
- Preheat oven to 375°F (190°C).
- Cook pasta shells according to package instructions until al dente. Drain and set aside.
Prepare the Seafood Filling:
- In a bowl, mix shrimp, crab meat, ricotta, mozzarella, Parmesan, egg, garlic, Italian seasoning, salt, and pepper until well combined.
Prepare the Sauce:
- Melt butter in a saucepan over medium heat.
- Whisk in flour and cook for 1 minute to form a roux.
- Gradually add milk and heavy cream, whisking constantly.
- Stir in Parmesan and garlic powder, seasoning with salt and pepper. Cook until thickened (about 5 minutes).
Assemble the Dish:
- Spread a thin layer of sauce in a 9×13-inch baking dish.
- Stuff pasta shells with seafood filling and place them in the dish.
- Pour remaining sauce over shells and sprinkle mozzarella on top.
Bake:
- Cover with foil and bake for 25 minutes.
- Remove foil and bake for another 10 minutes until bubbly and golden.
- Garnish with parsley and serve.

Notes

Use fresh or canned crab for convenience.
Add a pinch of red pepper flakes for a spicy kick.

Prep Time: PT30M
Cook Time: PT35M
Category: Dinner
Method: Baked
Cuisine: Italian, Seafood