Spicy Tuna Crispy Rice

Featured in: Quick Snack Fixes

This dish features golden, crispy rice squares topped with a creamy, spicy tuna blend and fresh avocado slices, inspired by sushi flavors. The rice is seasoned lightly with vinegar and sugar, chilled, and then fried until crispy. A mixture of diced sushi-grade tuna, mayonnaise, Sriracha, soy, and sesame oil creates a rich and spicy topping, garnished with sesame seeds and green onion. Perfect as an appetizer or party bite, these flavorful morsels balance textures and bold flavors beautifully.

Updated on Tue, 23 Dec 2025 10:12:00 GMT
Golden crispy squares of spicy tuna crispy rice topped with creamy tuna and avocado, ready to enjoy. Pin it
Golden crispy squares of spicy tuna crispy rice topped with creamy tuna and avocado, ready to enjoy. | smartyskitchen.com

The first time I tried spicy tuna crispy rice at a Japanese fusion spot in downtown LA, I kept ordering them until the server probably recognized my voice. They had this impossible contrast — crunch against cream, heat against cool — and I spent the next month in my tiny kitchen trying to recreate that magic. My first batch was a disaster: rice stuck to the pan, tuna too spicy, avocado turning brown before anyone arrived. Eventually I learned the secrets, and now they disappear in seconds whenever I make them for friends.

Last summer I made these for a rooftop gathering and watched my friend Sarah, who claims to hate spicy food, tentatively take one bite. Her eyes went wide and she reached for a second before swallowing the first. By the time the sun set, the platter was empty and people were asking if I had hidden a backup stash somewhere. That moment when someone who was skeptical ends up loving it — that is why I keep making these.

Ingredients

  • Sushi rice: Short-grain rice is non-negotiable here — long-grain will never hold together when you fry it
  • Rice vinegar mixture: The seasoning gives the rice depth and helps it firm up for that perfect fry
  • Sushi-grade tuna: Fresh, high-quality tuna makes all the difference in flavor and safety
  • Kewpie mayonnaise: Richer and creamier than Western mayo, worth seeking out at an Asian market
  • Sriracha: Adjust to your heat tolerance — I go light for crowds and heavier for spice-loving friends
  • Avocado: Adds creaminess that balances the crispy rice and spicy tuna

Instructions

Cook and season the rice:
Rinse the sushi rice until the water runs clear, then combine with water in a saucepan. Bring to a boil, reduce to low, cover and cook for 15 minutes before letting it rest covered for 10 minutes. Mix rice vinegar, sugar and salt, microwave for 20 seconds to dissolve, then gently fold into the rice and cool completely.
Press and chill the rice:
Line an 8x8-inch pan with plastic wrap and press the cooled rice evenly inside, about 3/4 inch thick. Cover and refrigerate for at least one hour or overnight — the extra chilling time makes the rice hold together better when frying.
Prepare the spicy tuna:
Combine the diced tuna, mayonnaise, Sriracha, soy sauce, sesame oil, green onion and sesame seeds in a bowl. Mix gently and refrigerate until you are ready to assemble.
Cut and fry the rice squares:
Lift the rice slab from the pan and cut into 16 rectangles. Heat vegetable oil in a nonstick skillet over medium-high heat and fry the rice pieces in batches for 2 to 3 minutes per side until golden and crispy. Drain on paper towels.
Assemble and serve:
Top each crispy rice square with a spoonful of spicy tuna and add avocado, black sesame seeds and sliced green onion if desired. Serve immediately while the rice stays crisp.
Close-up photo of savory spicy tuna crispy rice, showing a beautiful contrast of textures and flavors. Pin it
Close-up photo of savory spicy tuna crispy rice, showing a beautiful contrast of textures and flavors. | smartyskitchen.com

My friend Mark came over once when I was mid-fry, the kitchen filled with the smell of hot oil and sesame, and he stood by the stove eating them straight from the paper towels. He said he did not need the plate, just the next batch coming out of the pan. Those are the meals I remember most — the ones where formal dinner parties turn into everyone gathering around the stove, grabbing bites as they come.

Making Them Ahead

You can prepare the rice slab and tuna mixture up to a day in advance. Keep the rice refrigerated until you are ready to fry, and store the tuna in a sealed container in the coldest part of your fridge. Fry and assemble just before serving for that signature crunch.

Choosing the Right Pan

A nonstick skillet is your best friend here because the rice squares can be stubborn. I learned this the hard way with a stainless steel pan and spent ten minutes scraping stuck bits of rice off the bottom while my hungry friends pretended not to watch.

Serving Suggestions

These work beautifully as passed appetizers or as part of a DIY sushi night spread. Set up a small bar with extra Sriracha, soy sauce and pickled ginger so guests can customize their bites.

  • Pair with cold sake or a crisp lager to balance the heat
  • Add a small dot of wasabi on each square if your crowd loves spice
  • Keep a bowl of pickled ginger nearby for a palate cleanser between bites
Freshly made spicy tuna crispy rice: crunchy rice base supporting flavorful tuna and avocado topping. Pin it
Freshly made spicy tuna crispy rice: crunchy rice base supporting flavorful tuna and avocado topping. | smartyskitchen.com

These little bites have become my go-to for everything from game nights to impromptu gatherings. People always ask for the recipe, and I always send them home with a container of extras.

Recipe Questions & Answers

What type of rice is best for crispy rice?

Sushi rice works best due to its sticky texture, which helps the squares hold together when fried.

How do I get the rice crispy instead of soggy?

After cooking, chill the formed rice squares in the refrigerator to firm up, then fry in hot oil until golden and crisp on all sides.

Can I use other fish instead of tuna?

Yes, chopped salmon or cooked crab can be used as alternatives for different flavors and textures.

What gives the spicy tuna its heat?

The mixture includes Sriracha, which adds a balanced spicy kick complemented by creamy mayonnaise and savory soy sauce.

How should these bites be served for best flavor?

Serve immediately after assembling to maintain crispiness, optionally with soy sauce, wasabi, or pickled ginger on the side.

Spicy Tuna Crispy Rice

Crispy rice squares topped with a creamy, spicy tuna mixture and avocado for a savory snack.

Prep Time
30 min
Time to Cook
20 min
Overall Time
50 min
Created by Emily Scott


Skill Level Medium

Culinary Roots Japanese-American Fusion

Makes 16 Portions

Diet Details No Dairy

What You'll 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 ounces sushi-grade tuna, finely diced
02 2 tablespoons mayonnaise (preferably Kewpie)
03 1 tablespoon Sriracha
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 and Garnish

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

Directions

Step 01

Cook the rice: Rinse sushi rice under cold water until clear. Combine rice and water in saucepan, bring to a boil, reduce heat to low, cover and simmer for 15 minutes. Remove from heat and let rest, covered, for 10 minutes.

Step 02

Prepare seasoned rice vinegar: Mix rice vinegar, sugar, and salt in a small bowl. Microwave for 20 seconds until dissolved. Gently fold into cooked rice and cool to room temperature.

Step 03

Form rice slab: Line an 8x8-inch pan with plastic wrap. Press the cooled rice evenly about 3/4 inch thick. Cover and refrigerate for at least 1 hour until firm.

Step 04

Make spicy tuna mixture: Combine diced tuna, mayonnaise, Sriracha, soy sauce, sesame oil, green onion, and toasted sesame seeds in a bowl. Mix gently and refrigerate until use.

Step 05

Cut rice into pieces: Lift rice slab from pan, cut into 16 equal squares.

Step 06

Fry rice squares: Heat vegetable oil in a nonstick skillet to 350°F (180°C) about 1/2 inch deep. Fry rice pieces in batches, 2 to 3 minutes per side, until golden and crispy. Drain on paper towels and let cool slightly.

Step 07

Assemble bites: Top each crispy rice square with a spoonful of spicy tuna, add a piece of avocado, and sprinkle with black sesame seeds and green onion if desired. Serve immediately.

Tools You'll Need

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

Allergy Info

Review each item for allergens and reach out to a healthcare provider if unsure.
  • Contains fish, egg (in mayonnaise), and soy (in soy sauce). Check product labels for additional allergens.

Nutrition Info (per portion)

Info for reference only. Always check with your doctor for health guidance.
  • Energy (Calories): 70
  • Fats: 3.5 g
  • Carbohydrates: 7 g
  • Proteins: 3 g