Japanese Seafood Pasta Bake

Featured in: Cozy Weeknight Dinners

A delightful combination of pasta and assorted seafood is baked with a creamy, umami-rich sauce for a comforting Japanese fusion dish. The seafood—shrimp, squid, and scallops—is sautéed with aromatic onion, garlic, mushrooms, and spinach before mixing with pasta and a luscious milk-based sauce accented by Japanese mayo and dashi. The bake is topped with crunchy panko breadcrumbs, Parmesan cheese, and butter, finishing golden in the oven. Each bite offers the warmth of a casserole and the distinctive flavors of Japanese cuisine, making it an outstanding choice for pescatarians and fusion food lovers alike.

Updated on Mon, 27 Oct 2025 13:32:00 GMT
Golden Japanese Seafood Pasta Bake adorned with crispy panko and fresh parsley.  Save
Golden Japanese Seafood Pasta Bake adorned with crispy panko and fresh parsley. | toastytongs.com

A comforting fusion dish featuring tender pasta, assorted seafood, and a creamy, umami-rich sauce topped with golden panko breadcrumbs and baked to perfection.

The first time I made this seafood pasta bake, everyone at the table went back for seconds. The silky sauce and layers of flavor remind me of cozy family dinners where fusion food brings us together.

Ingredients

  • Pasta: 250 g (9 oz) penne or fusilli pasta
  • Seafood: 200 g (7 oz) peeled shrimp, 150 g (5 oz) squid (cleaned and sliced into rings), 150 g (5 oz) scallops or white fish (cut into bite-sized pieces)
  • Vegetables: 1 small onion (finely chopped), 2 cloves garlic (minced), 100 g (3.5 oz) shiitake mushrooms (sliced), 50 g (2 oz) spinach leaves (chopped)
  • Sauce: 2 tbsp unsalted butter, 2 tbsp all-purpose flour, 400 ml (1 2/3 cups) whole milk, 2 tbsp Japanese mayonnaise (e.g. Kewpie), 2 tsp soy sauce, 1 tsp mirin, 1 tsp dashi powder (optional for extra umami), salt and white pepper to taste
  • Topping: 50 g (1/2 cup) panko breadcrumbs, 30 g (1/4 cup) grated Parmesan cheese, 1 tbsp melted butter, 1 tbsp chopped fresh parsley (optional)

Instructions

Preheat and Prep:
Preheat oven to 200°C (400°F). Lightly grease a large baking dish.
Cook Pasta:
Cook pasta in salted boiling water until al dente. Drain and set aside.
Sauté Vegetables:
Heat 1 tbsp butter in a large skillet over medium heat. Sauté onion until translucent, about 2 minutes. Add garlic and shiitake mushrooms, cooking for another 2 minutes.
Cook Seafood and Spinach:
Stir in seafood and cook until just opaque, about 2-3 minutes. Add spinach and cook until wilted. Transfer mixture to a bowl and set aside.
Make Sauce:
In same skillet, melt 2 tbsp butter over medium heat. Whisk in flour and cook for 1 minute. Gradually add milk, whisking until smooth and thickened, about 4-5 minutes.
Finish Sauce:
Stir in mayonnaise, soy sauce, mirin, and dashi powder. Season with salt and white pepper to taste.
Combine:
Return seafood and vegetables to sauce. Add cooked pasta and gently combine until well-coated.
Transfer:
Pour mixture into prepared baking dish.
Prepare Topping:
In small bowl, mix panko, Parmesan, and melted butter. Sprinkle evenly over pasta.
Bake:
Bake 20-25 minutes until top is golden and bubbling. Garnish with chopped parsley if desired.
Rest:
Let cool for 5 minutes before serving.
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| toastytongs.com

This pasta bake often appears at special gatherings in our home, where hearty laughter mingles with the aroma of baked seafood and panko crumbs fresh from the oven.

Required Tools

You will need a large pot, skillet, whisk, baking dish, and mixing bowls to prepare and assemble this seafood pasta bake.

Allergen Information

Contains shellfish, fish, dairy, eggs (in mayonnaise), gluten (pasta, panko, flour) and soy. Always verify with individual product ingredients if required.

Nutritional Information

Each serving provides approximately 530 calories, 22 g total fat, 54 g carbohydrates and 31 g protein.

Creamy Japanese Seafood Pasta Bake bursting with tender seafood and rich umami flavors.  Save
Creamy Japanese Seafood Pasta Bake bursting with tender seafood and rich umami flavors. | toastytongs.com

Bring a touch of Japanese fusion comfort to your next family meal with this seafood pasta bake. Enjoy warm, bubbly perfection straight from the oven!

Recipe FAQ

What kind of seafood can I use?

You can use shrimp, squid, scallops, or substitute with white fish and clams depending on your preference.

How do I achieve the creamy sauce?

The creamy texture comes from a mix of butter, flour, milk, Japanese mayo, soy sauce, and a touch of mirin.

Can I use regular breadcrumbs instead of panko?

Yes, regular breadcrumbs can be swapped for panko, though panko gives extra crunch to the finished dish.

Is there a vegetarian option?

Replace seafood with more mushrooms and spinach, and use vegetarian-friendly seasonings for a meatless variation.

How do I serve this Japanese pasta bake?

Allow it to cool briefly, then serve warm, optionally garnished with parsley and paired with a crisp white wine.

Is the dish gluten free?

No, it contains gluten in pasta, panko, and flour. To make gluten free, use alternatives for these ingredients.

Japanese Seafood Pasta Bake

Tender pasta and seafood join creamy sauce and crispy panko for a satisfying Japanese-inspired baked main.

Prep duration
20 min
Cook duration
35 min
Complete duration
55 min
Created By Daniel Brooks


Skill Level Medium

Heritage Japanese Fusion

Output 4 Portions

Dietary considerations None specified

Components

Pasta

01 9 ounces penne or fusilli pasta

Seafood

01 7 ounces peeled shrimp
02 5 ounces squid, cleaned and sliced into rings
03 5 ounces scallops or white fish, cut into bite-sized pieces

Vegetables

01 1 small onion, finely chopped
02 2 cloves garlic, minced
03 3.5 ounces shiitake mushrooms, sliced
04 2 ounces spinach leaves, chopped

Sauce

01 2 tablespoons unsalted butter
02 2 tablespoons all-purpose flour
03 1 2/3 cups whole milk
04 2 tablespoons Japanese mayonnaise (such as Kewpie)
05 2 teaspoons soy sauce
06 1 teaspoon mirin
07 1 teaspoon dashi powder (optional)
08 Salt and white pepper, to taste

Topping

01 1/2 cup panko breadcrumbs
02 1/4 cup grated Parmesan cheese
03 1 tablespoon melted butter
04 1 tablespoon chopped fresh parsley (optional)

Directions

Phase 01

Prepare Oven and Baking Dish: Preheat oven to 400°F and lightly grease a large baking dish.

Phase 02

Cook Pasta: Boil pasta in salted water until al dente. Drain and set aside.

Phase 03

Sauté Vegetables: Heat 1 tablespoon butter in large skillet over medium heat. Sauté onion until translucent, about 2 minutes. Add garlic and mushrooms, cook for 2 minutes more.

Phase 04

Cook Seafood and Spinach: Add shrimp, squid, and scallops or fish to the skillet. Sauté until seafood is just opaque, about 2–3 minutes. Add spinach and cook until wilted. Transfer mixture to a bowl and set aside.

Phase 05

Prepare Creamy Sauce: In the same skillet, melt 2 tablespoons butter over medium heat. Whisk in flour and cook for 1 minute. Gradually add milk, whisking until smooth and thickened, about 4–5 minutes.

Phase 06

Season Sauce: Stir in mayonnaise, soy sauce, mirin, and dashi powder if using. Adjust salt and white pepper to taste.

Phase 07

Combine Seafood, Vegetables, and Pasta: Return the seafood and vegetables to the sauce. Add cooked pasta and toss until ingredients are evenly coated.

Phase 08

Fill Baking Dish: Transfer the mixture into the prepared baking dish, spreading evenly.

Phase 09

Prepare and Add Topping: Mix panko breadcrumbs, Parmesan, and melted butter in a small bowl. Sprinkle evenly over the pasta mixture.

Phase 10

Bake: Bake for 20–25 minutes until the topping is golden and the filling is bubbling.

Phase 11

Finish and Serve: Garnish with chopped parsley if desired. Allow to cool for 5 minutes before serving.

Tools needed

  • Large pot
  • Skillet
  • Whisk
  • Baking dish
  • Mixing bowls

Allergy details

Review each ingredient for potential allergens and consult with a healthcare professional if you're uncertain.
  • Contains shellfish, fish, dairy, eggs (mayonnaise), gluten (pasta, panko, flour), and soy.
  • Review individual product labels for possible hidden allergens.

Nutritional information (per portion)

These values are approximate guidelines only and shouldn't replace professional medical guidance.
  • Energy: 530
  • Fats: 22 g
  • Carbohydrates: 54 g
  • Proteins: 31 g