Sushi Bake Casserole Layers

Featured in: Everyday Oven Meals

This layered dish blends seasoned rice with tender, baked salmon and a creamy cheese blend. Topped generously with fresh sliced avocado, nori squares, toasted sesame seeds, and spring onions, it combines textures and flavors inspired by Japanese cuisine. Baked until warm and golden, it’s served with soy sauce and optional pickled ginger or wasabi for an extra kick. Ideal as a comforting main with fresh, savory ingredients, it’s simple to prepare and perfect for sharing.

Updated on Mon, 29 Dec 2025 16:57:00 GMT
Warm sushi bake casserole bubbling in the oven, ready to be topped with fresh avocado slices. Save to Pinterest
Warm sushi bake casserole bubbling in the oven, ready to be topped with fresh avocado slices. | ovenmargin.com

The first time I made sushi bake, I was standing in my kitchen on a rainy Tuesday, scrolling through my phone while waiting for salmon to cook, when it hit me: why was I rolling sushi when I could just layer everything like a casserole and let the oven do the work? It felt like cheating at first, but then I tasted it warm, all those familiar sushi flavors melting together in one dish, and I realized I'd stumbled onto something that felt less like compromise and more like genius.

I made this for my sister's dinner party last spring, and I watched her face light up when she realized it was warm and creamy, nothing like the sushi rolls she expected. Her friend went back for seconds, and then thirds, and by the end of the night, the casserole was completely gone. That's when I knew this recipe had staying power.

Ingredients

  • Sushi rice: This is your foundation, and the difference between sticky, clingy rice and the right texture is really just rinsing it until the water runs clear and not skipping the resting step.
  • Rice vinegar, sugar, and salt: These three ingredients transform plain rice into something with personality, and honestly, the ratios matter more than you'd think.
  • Salmon fillet: Fresh and bright, or even high-quality frozen works beautifully here, and brushing it with soy and sesame oil while it bakes creates this nutty, salty crust you can't get any other way.
  • Cream cheese and Kewpie mayo: The creamy layer is what makes this different from eating sushi cold, and Kewpie mayo has just a touch of sweetness that makes the whole thing feel richer.
  • Avocado: Wait until the last moment to slice it so it doesn't brown, and pick avocados that yield to gentle pressure, not rock hard ones.
  • Nori and sesame seeds: These add texture and that toasted, oceanic flavor that reminds you why you loved sushi in the first place.
  • Spring onions: A scattered handful at the end adds a bright, slightly sharp note that cuts through the richness beautifully.

Instructions

Product image
Season soups, salads, meats, and vegetables evenly while cooking with quick, one-handed grinding.
Check price on Amazon
Prepare the rice foundation:
Rinse your rice until the water runs clear, which takes patience but removes the starch that makes rice gluey. Cook it gently with the right amount of water, and you'll know it's ready when a grain pressed between your fingers feels tender but still has structure.
Season and layer:
While the rice is still warm, fold in your vinegar mixture with a gentle hand so each grain gets coated without getting mashed. Spread it into your baking dish and press it down just enough to create a firm, even layer.
Bake the salmon:
A hot oven and a short baking time keep salmon moist and flaky, and you'll know it's done when it flakes easily with a fork and the thickest part is opaque.
Make the creamy mixture:
Fold your flaked salmon into the cream cheese mixture gently so it stays chunky and doesn't become a paste. The sriracha is optional, but a small amount adds a subtle heat that doesn't overwhelm.
Assemble and warm:
Spread that salmon mixture over your rice layer and let the oven bring everything together for just 10 minutes until it's warm and the edges are barely golden.
Top and serve:
This is where it all comes together: slice avocados at the last moment, scatter the nori and sesame seeds, and watch people's faces when they realize this warm, creamy, crunchy thing is the sushi they've been craving.
Product image
Season soups, salads, meats, and vegetables evenly while cooking with quick, one-handed grinding.
Check price on Amazon
Save to Pinterest
| ovenmargin.com

The magic moment happens when you pull this out of the oven and the whole kitchen smells like sesame and salmon, and you know the people sitting at your table are about to feel like you pulled off something fancy when really you just layered things in a dish. That's the real win.

Why This Works as a Casserole

Baking sushi completely changes the experience in the best way. The heat brings all the flavors together instead of keeping them separate, and the rice stays warm long enough for everyone at the table to actually enjoy it, not just the person who got their roll first. Plus, warm cream cheese mixed with flaked salmon is comfort food that happens to be inspired by Japanese flavors, which somehow makes it feel both elegant and approachable at the same time.

Customizing Your Sushi Bake

This dish is forgiving, which is part of why I keep making it. If salmon isn't your thing, crab, shrimp, or even canned tuna works beautifully in its place. I've also skipped the sriracha when cooking for people who prefer gentle heat, and once I added panko breadcrumbs to the top before baking, and they crisped up into this golden, crunchy layer that people couldn't stop talking about. The base is solid enough that you can play with it and still end up with something delicious.

Serving and Pairing Ideas

Serve this warm, with small bowls of soy sauce, pickled ginger, and wasabi for people to add as they like, which gives everyone control over the flavor intensity. A crisp white wine like Sauvignon Blanc pairs beautifully because it cuts through the richness of the cream cheese and mayo, and if your guests prefer it, a chilled sake feels like the natural choice. Sometimes I make a simple cucumber salad on the side just to add something light and fresh to balance the richness, and it rounds out the whole meal.

  • Let the casserole rest for five minutes after baking so the layers set slightly before you slice.
  • Slice with a sharp, wet knife to keep the layers clean and intact.
  • Serve immediately while the rice is still warm and the avocado is fresh.
Product image
Mount paper towels nearby for quick cleanup of spills, grease, and messes while cooking and prepping meals.
Check price on Amazon
A delicious, cheesy sushi bake casserole with flaky salmon is served with dipping sauce. Save to Pinterest
A delicious, cheesy sushi bake casserole with flaky salmon is served with dipping sauce. | ovenmargin.com

This sushi bake has become my go-to recipe when I want to feed people something that feels special without actually stressing me out. It's the kind of dish that brings people together around a warm casserole dish and reminds you that good food doesn't have to be complicated to be memorable.

Common Recipe Questions

Can I substitute the salmon with other seafood?

Yes, cooked crab meat, canned tuna, or cooked shrimp can be used as alternatives to salmon while maintaining a similar flavor profile.

How should the rice be prepared for the best texture?

Rinse the rice until water runs clear and cook it gently with water before fluffing with a vinegar, sugar, and salt mixture for balanced seasoning and texture.

What is the purpose of baking after assembling the layers?

Baking warms the casserole through, slightly melds the layers together, and creates a subtle golden top enhancing flavors and texture.

How do the toppings enhance the dish?

Fresh avocado adds creaminess, nori brings a subtle sea flavor, toasted sesame seeds offer nuttiness, and spring onions add freshness and crunch.

Are there any recommended side pairings?

A dry white wine like Sauvignon Blanc or chilled sake complements the layered flavors remarkably well.

Sushi Bake Casserole Layers

A warm layered dish featuring seasoned rice, flaked salmon, creamy avocado, and roasted nori.

Prep Time
20 min
Time to Cook
25 min
Time Required
45 min
Published by Ryan Mitchell


Skill Level Easy

Cuisine Japanese-inspired

Makes 6 Number of Servings

Diet Details None specified

Ingredient List

Rice Layer

01 2 cups sushi rice
02 2 1/2 cups water
03 2 tablespoons rice vinegar
04 1 tablespoon granulated sugar
05 1 teaspoon salt

Salmon Layer

01 14 ounces skinless salmon fillet
02 1 tablespoon soy sauce
03 1 teaspoon sesame oil
04 1/2 teaspoon ground black pepper

Creamy Layer

01 3.5 ounces cream cheese, softened
02 2 tablespoons mayonnaise (preferably Kewpie)
03 1 tablespoon sriracha (optional)
04 1 teaspoon fresh lemon juice

Toppings

01 2 avocados, sliced
02 3 sheets roasted nori, cut into small squares
03 1 tablespoon toasted sesame seeds
04 2 spring onions, thinly sliced

For Serving

01 Soy sauce for dipping
02 Pickled ginger (optional)
03 Wasabi (optional)

How-To Steps

Step 01

Prepare the Rice: Rinse the sushi rice under cold water until water runs clear. Combine rice and water in a saucepan, bring to a boil, then cover and simmer on low heat for 15 minutes. Remove from heat and let sit, covered, for 10 minutes.

Step 02

Season the Rice: In a small bowl, mix rice vinegar, sugar, and salt until dissolved. Stir the mixture into the cooked rice and fluff gently with a fork. Spread the rice evenly into a lightly greased 9x13-inch baking dish.

Step 03

Preheat the Oven: Set oven to 400°F (200°C) to prepare for baking the salmon and casserole.

Step 04

Cook the Salmon: Place salmon fillet on a parchment-lined baking tray. Brush with soy sauce, sesame oil, and sprinkle with black pepper. Bake for 12 to 15 minutes until cooked through. Flake salmon with a fork.

Step 05

Prepare Creamy Salmon Mixture: In a bowl, blend softened cream cheese, mayonnaise, sriracha (if using), and lemon juice until smooth. Gently fold in the flaked salmon.

Step 06

Assemble and Bake: Spread the creamy salmon mixture evenly over the rice layer in the baking dish. Bake the assembled layers for 10 minutes until warmed through and lightly golden on top.

Step 07

Add Toppings and Serve: Remove from oven and top with sliced avocado, nori squares, toasted sesame seeds, and spring onions. Slice into portions and serve warm with soy sauce, pickled ginger, and wasabi on the side.

Kitchen Tools

  • Saucepan with lid
  • 9x13-inch baking dish
  • Mixing bowls
  • Parchment-lined baking tray
  • Knife and cutting board

Allergy Details

Be sure to review every ingredient for potential allergens. Always get professional advice if you're unsure.
  • Contains fish, eggs (mayonnaise), and dairy (cream cheese)
  • Contains soy (soy sauce)
  • Nori may contain traces of shellfish

Nutrition Details (for each serving)

These figures are here for your reference and shouldn’t replace advice from a healthcare provider.
  • Calories: 370
  • Fats: 15 g
  • Carbohydrates: 41 g
  • Proteins: 17 g