Spicy Tuna Crispy Rice

Featured in: Small Plates & Sides

This dish features golden, crispy rice squares layered with a creamy blend of diced tuna, Sriracha, mayonnaise, and a hint of sesame. Topped with fresh avocado slices and optional black sesame seeds and green onions, it combines textures and flavors inspired by sushi. The rice is cooked, cooled, pressed, and fried until crisp to create a satisfying base. Perfect as a flavorful starter or party bite, this fusion delight offers a balanced mix of spice, creaminess, and crunch. Ideal for pescatarian palates, it invites easy customization with alternative seafood toppings.

Updated on Wed, 24 Dec 2025 11:50:00 GMT
Golden-brown spicy tuna crispy rice squares topped with creamy tuna and avocado, ready to eat. Save to Pinterest
Golden-brown spicy tuna crispy rice squares topped with creamy tuna and avocado, ready to eat. | bowlnotch.com

There's something magical about the moment crispy rice hits your tongue—that perfect crunch followed by the cool, spicy creaminess of tuna and a whisper of avocado. I discovered these bites at a dinner party where someone brought what looked like elegant little sushi squares, and I couldn't stop reaching for them. The combination felt like someone had finally solved the puzzle of what Japanese-inspired appetizers should be: crispy, surprising, and gone from the plate in seconds. Now whenever I make them, I'm reminded that the best recipes are the ones that disappear fastest.

I'll never forget watching my neighbor's face light up when she bit into one of these at a casual dinner last summer—she actually closed her eyes, which told me everything. That moment made me realize these aren't just appetizers; they're conversation starters that happen to taste incredible. The spice sneaks up on you, the avocado melts slightly from the warm rice, and suddenly people are asking for the recipe instead of enjoying their other dishes.

Ingredients

  • Sushi rice (1 cup): This is the foundation—sushi rice has the right starch content to hold together and fry beautifully, unlike regular white rice.
  • Rice vinegar, sugar, and salt (2 tablespoons, 1 tablespoon, 1/2 teaspoon): These season the rice and give it that subtle tang that makes people ask what the secret is.
  • Vegetable oil for frying: Use a neutral oil with a high smoke point; this is where the crispiness comes from.
  • Sushi-grade tuna (6 oz): The quality of your tuna matters more than anything else here—ask your fishmonger for the freshest they have.
  • Kewpie mayonnaise (2 tablespoons): It's creamier and richer than regular mayo, and honestly, it's worth seeking out for this recipe.
  • Sriracha (1 tablespoon): Adjust this up or down depending on your heat tolerance; some people love doubling it.
  • Soy sauce, sesame oil, and sesame seeds (1 teaspoon each, plus 1/2 teaspoon): These build layers of flavor that make the tuna mixture more complex than just spicy.
  • Green onion and avocado: Green onion adds brightness, while avocado brings richness and helps soften the overall spice.

Instructions

Product image
Crisp vegetables, roast meats, bake snacks, and reheat leftovers quickly for easy, flavorful home cooking.
Check price on Amazon
Prepare the rice properly:
Rinsing the rice removes excess starch so you end up with individual grains instead of a sticky mess. Cook it gently—this isn't the time to rush or skip steps.
Season the warm rice:
The vinegar mixture should be slightly warm when you fold it in so it absorbs evenly. Use a gentle folding motion, as if you're tucking it in rather than stirring.
Chill the rice base:
This step is non-negotiable if you want crispy, not mushy, rice squares. The longer you chill, the better the structure holds when frying.
Mix the spicy tuna:
Combine everything gently—you want the tuna to stay in distinct pieces, not become a paste. Chill this while the rice firms up.
Cut and fry with intention:
Use a sharp, wet knife for clean cuts. Fry in batches so the oil stays hot and crispy edges develop instead of soggy ones.
Assemble right before serving:
Top each warm square with cold tuna and avocado so temperatures play off each other. The contrast is part of the appeal.
Product image
Crisp vegetables, roast meats, bake snacks, and reheat leftovers quickly for easy, flavorful home cooking.
Check price on Amazon
Close-up of a flavorful spicy tuna crispy rice appetizer with glistening, fresh ingredients. Save to Pinterest
Close-up of a flavorful spicy tuna crispy rice appetizer with glistening, fresh ingredients. | bowlnotch.com

These bites taught me that the smallest foods sometimes create the biggest moments. There's something about passing a plate of these around that brings people together in a way full-size dishes don't quite manage.

The Secret to Crispy Rice That Actually Stays Crispy

Most people fry their rice pieces once and wonder why they're not crispy by the time guests eat them. The answer is temperature management: the oil needs to be hot enough that the outside browns quickly before the inside reheats and softens. Medium-high heat is your friend here, and patience between batches ensures the oil temperature recovers before you add more rice. I learned this the hard way after my first batch turned out more like soft rice cakes, which taught me that rushing the frying step defeats the whole purpose.

Why Spicy Tuna Is Better Than Plain

Raw tuna on rice is lovely, but the creamy spicy mixture transforms these from nice to irresistible. The mayonnaise softens the heat from the Sriracha while the soy sauce and sesame oil add depth that plain tuna simply can't deliver. I've served both versions at the same party, and people always ask for more of the spicy version while politely ignoring the plain one. It's funny how a few ingredients can be the difference between forgettable and unforgettable.

Making It Your Own

While spicy tuna is my default, these crispy rice squares are a blank canvas for whatever you're craving. Swap the tuna for smoked salmon and capers, use crab meat with a touch of old bay seasoning, or go vegetarian with seasoned cucumber and crispy vegetables. The crispy rice base and frying technique work for any topping you can dream up. Small adjustments in flavor keep these bites fresh in rotation instead of becoming something you only make once a year.

  • Prepare tuna and other toppings ahead of time, but assemble squares only minutes before serving.
  • If you're nervous about frying, practice with one piece first to get the temperature right before committing to a full batch.
  • Leftovers keep in the fridge for up to a day, but they're best eaten the day they're made.
Product image
Track cooking times accurately for baking, boiling, roasting, and multitasking recipes without overcooking.
Check price on Amazon
Overhead shot: Enjoy a plate of crispy, fried rice topped with spicy tuna, perfect party bites. Save to Pinterest
Overhead shot: Enjoy a plate of crispy, fried rice topped with spicy tuna, perfect party bites. | bowlnotch.com

These crispy rice bites have become my secret weapon for impressing people with minimal effort. One batch disappears in minutes, and everyone leaves thinking you spent way more time than you actually did.

Recipe FAQs

What type of rice works best for this dish?

Sushi rice is ideal due to its sticky texture that holds the squares together well after frying.

How can I achieve extra crispy rice squares?

Chilling the pressed rice overnight firms it up, making it easier to fry to a golden, crisp finish.

What seafood alternatives can I use for the topping?

Chopped salmon or cooked crab make excellent substitutes to the spicy tuna blend.

Can I prepare the spicy tuna mixture ahead of time?

Yes, prepare and refrigerate the tuna mixture before serving to meld flavors and keep it fresh.

What garnishes complement the spicy tuna and rice squares?

Sliced avocado, black sesame seeds, and thinly sliced green onions add freshness and texture contrast.

Spicy Tuna Crispy Rice

Crunchy rice squares topped with spicy tuna and avocado create an irresistible savory appetizer.

Prep Time
30 minutes
Cook Time
20 minutes
Overall Time
50 minutes
By Bowl Notch Brooke Moore

Recipe Group Small Plates & Sides

Level Medium

Cuisine Type Japanese-American Fusion

Amount Made 16 Number of Servings

Dietary Details No Dairy

What You Need

Crispy Rice

01 1 cup sushi rice
02 1 1/4 cups water
03 2 tablespoons rice vinegar
04 1 tablespoon sugar
05 1/2 teaspoon salt
06 Vegetable oil, for frying

Spicy Tuna

01 6 oz sushi-grade tuna, finely diced
02 2 tablespoons mayonnaise (preferably Kewpie)
03 1 tablespoon Sriracha sauce
04 1 teaspoon soy sauce
05 1 teaspoon sesame oil
06 1 teaspoon finely chopped green onion
07 1/2 teaspoon toasted sesame seeds

Topping & Garnish

01 1/2 avocado, sliced or diced
02 1 teaspoon black sesame seeds (optional)
03 Thinly sliced green onion (optional)

Directions

Step 01

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

Step 02

Season Rice: In a small bowl, mix rice vinegar, sugar, and salt. Microwave for 20 seconds to dissolve. Gently fold the mixture into the cooked rice. Allow rice to cool to room temperature.

Step 03

Form Rice Base: Line an 8x8-inch pan with plastic wrap. Press cooled rice evenly into the pan to about 3/4 inch thickness. Cover and refrigerate for at least 1 hour to firm.

Step 04

Prepare Spicy Tuna Mixture: Combine diced tuna, mayonnaise, Sriracha, soy sauce, sesame oil, chopped green onion, and toasted sesame seeds in a bowl. Mix gently and refrigerate until ready to use.

Step 05

Cut Rice Squares: Remove rice from pan and cut into 16 equal rectangles or squares.

Step 06

Fry Rice Squares: Heat 1/2 inch of vegetable oil in a nonstick skillet over medium-high heat. Fry rice pieces in batches for 2 to 3 minutes per side until golden and crispy. Drain on paper towels and let cool slightly.

Step 07

Assemble Crispy Tuna Bites: Top each rice square with a spoonful of spicy tuna, a slice or piece of avocado, and sprinkle with black sesame seeds and sliced green onion if desired. Serve immediately.

What You'll Need

  • Medium saucepan
  • Mixing bowls
  • 8x8-inch pan
  • Plastic wrap
  • Sharp knife
  • Nonstick skillet
  • Slotted spoon or spatula
  • Paper towels

Allergy Info

Double-check each ingredient for allergens, and contact your healthcare provider with concerns.
  • Contains fish, egg (in mayonnaise), and soy (in soy sauce)
  • Check mayonnaise and soy sauce labels for additional allergens

Nutrition Info (per serving)

Use these details for reference only—always talk to a doctor for health advice.
  • Calorie Count: 70
  • Fats: 3.5 g
  • Carbohydrates: 7 g
  • Proteins: 3 g