Japanese Seafood Pasta Bake

Featured in: One-Pot Comfort Dishes

This Japanese-inspired seafood pasta bake combines penne or fusilli with shrimp, squid, and scallops for a hearty, flavorful meal. Sauteéd vegetables and umami-rich sauce create a creamy base, while Japanese mayonnaise, soy sauce, and dashi offer depth. Topped with crunchy panko breadcrumbs and Parmesan cheese, the dish is baked until golden and bubbling. Enjoy smooth textures, subtle flavors, and crisp topping in each serving. Adjust seafood or add shichimi togarashi for more heat if desired. Pairs beautifully with a chilled white wine.

Updated on Wed, 29 Oct 2025 12:52:00 GMT
Creamy Japanese seafood pasta bake topped with crispy panko and fresh parsley.  Save
Creamy Japanese seafood pasta bake topped with crispy panko and fresh parsley. | sizzlebloom.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, my family was amazed by how the familiar creamy casserole was elevated by the savory combination of soy sauce, dashi, and tangy Kewpie mayonnaise. Every bite is both comforting and exciting, thanks to the mix of tender seafood and golden crunch.

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

Prepare Oven and Dish:
Preheat your oven to 200°C (400°F). Lightly grease a large baking dish.
Cook Pasta:
Boil pasta in salted water until al dente. Drain and set aside.
Sauté Vegetables:
Heat 1 tbsp butter in a skillet over medium heat. Sauté onion for about 2 minutes until translucent. Add garlic and shiitake mushrooms and cook 2 minutes more.
Cook Seafood and Spinach:
Add seafood and cook until just opaque, about 2-3 minutes. Stir in spinach and cook until wilted. Transfer mixture to a bowl and set aside.
Make Sauce:
In the same skillet, melt 2 tbsp butter over medium heat. Whisk in flour and cook 1 minute. Gradually add milk, whisking constantly until smooth and thickened, about 4-5 minutes.
Flavor the 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.
Assemble:
Pour mixture into prepared baking dish.
Make Topping:
Mix panko, Parmesan, and melted butter in a small bowl. Sprinkle evenly on pasta.
Bake:
Bake for 20-25 minutes, until top is golden and bubbling. Garnish with parsley if desired.
Serve:
Allow to cool for 5 minutes before serving.
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This bake quickly became a Sunday dinner favorite in our house—serving up slices to eager hands brings back memories of laughter and full plates at the table.

Required Tools

Large pot, skillet, whisk, baking dish, and mixing bowls are all you need to put this fusion casserole together in under an hour.

Allergen Information

This dish contains shellfish, fish, dairy, eggs, gluten, and soy. Always double-check product labels for hidden allergens before serving.

Nutritional Information

Each serving provides about 530 calories, 22 g total fat, 54 g carbohydrates, and 31 g protein—a satisfyingly balanced main dish.

Delicious layers of tender pasta, shrimp, and squid in Japanese seafood pasta bake.  Save
Delicious layers of tender pasta, shrimp, and squid in Japanese seafood pasta bake. | sizzlebloom.com

Dig in while it’s hot for the best crunch, and enjoy with a glass of crisp white wine for the full fusion experience.

Common Questions

Can I substitute the seafood in this dish?

Yes, you can use only shrimp, swap in clams, or choose your favorite seafood blend based on preference or availability.

What makes the sauce uniquely Japanese?

The sauce uses Japanese mayonnaise, soy sauce, mirin, and dashi powder to impart savory umami flavors and creamy texture.

Why use panko instead of regular breadcrumbs?

Panko creates a lighter, crispier topping for the bake; regular breadcrumbs are a fine substitute if needed.

How can I make this dish spicier?

Add a dash of shichimi togarashi or your favorite chili flakes before serving for a gentle heat.

Is this bake suitable for pescatarian diets?

Yes, this dish is perfect for pescatarians as it features seafood without meat from other sources.

What wine pairs well with this meal?

A crisp, acidic white wine such as Sauvignon Blanc complements the creamy sauce and seafood flavors nicely.

Japanese Seafood Pasta Bake

Fusion pasta dish featuring tender seafood, creamy Japanese sauce, and crunchy panko topping, baked until golden.

Setup Duration
20 min
Heat Duration
35 min
Complete Duration
55 min
Created by Emily Dawson

Classification One-Pot Comfort Dishes

Skill Level Medium

Heritage Japanese Fusion

Output 4 Portions

Nutrition Labels 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, for extra umami)
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)

Method Steps

Phase 01

Prepare Baking Dish: Preheat oven to 400°F (200°C) 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 Aromatics and Mushrooms: Heat 1 tablespoon butter in a large skillet over medium heat. Sauté chopped onion until translucent, approximately 2 minutes. Add minced garlic and sliced shiitake mushrooms; cook for another 2 minutes.

Phase 04

Cook Seafood and Spinach: Stir in shrimp, squid, and scallops or fish. 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 Sauce: In the same skillet, melt 2 tablespoons butter over medium heat. Whisk in flour and cook for 1 minute. Gradually pour in milk, whisking constantly until smooth and thickened, 4 to 5 minutes.

Phase 06

Season and Combine Sauce: Add mayonnaise, soy sauce, mirin, and dashi powder. Season with salt and white pepper to taste.

Phase 07

Combine Seafood and Vegetables: Return seafood and sautéed vegetables to the sauce. Add cooked pasta and gently fold until evenly coated.

Phase 08

Transfer to Baking Dish: Spread mixture evenly in prepared baking dish.

Phase 09

Prepare Topping: In a small bowl, mix panko breadcrumbs, grated Parmesan cheese, and melted butter. Sprinkle evenly over pasta.

Phase 10

Bake: Bake uncovered for 20–25 minutes or until the surface is golden brown and bubbling.

Phase 11

Garnish and Serve: Remove from oven, let cool for 5 minutes, then garnish with chopped parsley if desired and serve.

Kitchen Tools

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

Dietary Alerts

Always review ingredients individually for potential allergens and seek professional medical guidance when uncertain.
  • Contains shellfish, fish, dairy, eggs, gluten, and soy. Check product labels for hidden allergens.

Dietary Information (per portion)

Values shown are estimates and shouldn't replace professional medical consultation.
  • Energy Value: 530
  • Fats: 22 g
  • Carbohydrates: 54 g
  • Proteins: 31 g