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    Home » Appetizers

    Crispy Rice With Spicy Tuna

    Published: May 14, 2026 by Anna · This post may contain affiliate links · This blog generates income via ads ·

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    Crispy rice with spicy tuna is one of those dishes that looks incredibly impressive but is much more approachable than it seems. Golden, crunchy rice squares topped with creamy, spicy tuna and a slice of fresh jalapeño - it's the kind of appetizer that disappears from the plate before you've even sat down.

    Crispy rice cakes topped with spicy tuna and sliced fresh jalapeños are served on a wooden board.

    Ingredients You Will Need

    For the Crispy Rice

    White rice: Jasmine rice works beautifully for Crispy Rice Squares - it has just enough starch to hold together when pressed and fries up with a wonderful crispy exterior. Sushi rice is the more traditional choice and gives a slightly stickier, more compact result. Either works well.

    Rice vinegar, sugar, and salt: Stirred into the warm cooked rice to season it lightly, in the same way you would season sushi rice. This subtle seasoning makes a big difference to the overall flavor of the finished dish.

    Oil for frying: Use a neutral oil with a high smoke point such as canola or sunflower oil. You only need about 1 inch of oil in the pan.

    For the Spicy Tuna

    Raw tuna: Use sushi-grade tuna for the best flavor and safety. Finely dicing it rather than blending gives the topping a satisfying texture with a little bite. Look for bright, deep red tuna with a fresh, clean smell.

    Sriracha: The heat of the topping. Start with 1 tablespoon and adjust to your taste - the amount you use will determine how spicy the finished dish is.

    Mayonnaise: Brings everything together into a creamy, rich mixture that balances the heat of the sriracha. Japanese mayonnaise such as Kewpie is ideal if you can find it - it's richer and slightly tangier than regular mayo.

    Soy sauce: Adds a savory, umami depth that ties all the tuna topping ingredients together.

    Sesame oil: Just a teaspoon adds a nutty, toasty aroma that is distinctly Japanese in character.

    Toasted sesame seeds: Add a subtle crunch and nuttiness to the topping.

    Chives: Finely chopped chives add a mild, fresh oniony flavor and a pop of color.

    Jalapeño: Thinly sliced fresh jalapeño on top of each piece adds a bright, fresh heat that contrasts beautifully with the creamy tuna and crunchy rice.

    Crispy rice cakes topped with spicy tuna and sliced fresh jalapeños are served on a wooden board. One of the cakes has a bite taken out of it.

    Cooking Tips

    Press the rice firmly and evenly. The success of this recipe depends on the rice holding together when you cut and fry it. Press it down as firmly as possible with the wet back of a spoon, making sure the surface is completely even and there are no loose edges. The more compact the rice block, the cleaner your squares will be.

    Chill the rice until fully firm. Don't rush this step. The rice needs to be completely cold and firm before you cut and fry it, otherwise the squares will fall apart in the oil. Two hours in the fridge is the minimum, or use the freezer to speed things up. Stickier rice varieties will firm up faster than less starchy ones.

    Use a wet sharp knife to cut the squares. A wet sharp knife with a clean, decisive cut gives you neat squares with clean edges.

    Fry in batches and don't move them too soon. Let each square sit undisturbed in the oil for the full 3-4 minutes before flipping. Moving them too early can cause them to break apart before they've had a chance to form a crust. They're ready to flip when they release easily from the pan and are golden on the bottom.

    Let the rice cool slightly before topping. Adding the tuna to piping hot rice will start to cook it. Let the fried squares cool for a few minutes before adding the topping so the tuna stays fresh and the texture of the topping stays creamy.

    How to Make Crispy Rice with Spicy Tuna

    Cook and season the rice: Cook the rice according to package instructions. Dissolve the vinegar, sugar, and salt together, pour over the warm rice, and mix to combine.

    Press and chill: Press the warm rice firmly into a lined 8 x 8 inch pan, smooth the surface, cover, and refrigerate for at least 2 hours until completely firm.

    A collage image showing the four steps to make crispy rice with spicy tuna.

    Make the spicy tuna: Combine the diced tuna, sriracha, mayonnaise, soy sauce, sesame oil, sesame seeds, and chives in a bowl. Refrigerate until ready to use.

    Cut and fry: Remove the rice slab from the pan and cut into 12 squares. Fry in approximately 1 inch of oil for 3-4 minutes per side until golden and crispy. Drain on paper towels.

    Top and serve: Once slightly cooled, top each square with the spicy tuna mixture and a slice of fresh jalapeño. Serve immediately.

    Looking for more appetiser and snack recipes? Check out these easy-to-make Pan Con Tomate, these delicious Deep Fried Cauliflower bites or these Potato Pave.

    Serving Suggestions

    Crispy rice with spicy tuna works best as a starter or appetizer, served immediately after topping so the rice stays crispy. It pairs well with a simple miso soup, edamame, or a light cucumber salad dressed with rice vinegar and sesame oil. If you're serving it as part of a larger spread, it sits beautifully alongside other Japanese-inspired dishes. For a dinner party, you can prepare the rice squares in advance and fry them and top with the tuna at the last moment.

    Storing Tips

    Crispy rice with spicy tuna is best eaten fresh on the day it's made. If you have leftovers, store the rice squares and the tuna separately in airtight containers in the fridge for up to 2 days. Reheat the rice squares in the oven or air fryer to bring back the crunch before topping and serving.

    Recipe

    Crispy rice cakes topped with spicy tuna and sliced fresh jalapeños are served on a wooden board.

    Crispy Rice with Spicy Tuna

    Crispy rice with spicy tuna is one of those dishes that looks incredibly impressive but is much more approachable than it seems. Golden, crunchy rice squares topped with creamy, spicy tuna and a slice of fresh jalapeño - it's the kind of appetizer that disappears from the plate before you've even sat down.
    Print Pin Rate
    Course: Appetizer
    Cuisine: Japanese
    Keyword: Party appetizers, Party food, Spicy tuna
    Prep Time: 10 minutes minutes
    Cook Time: 50 minutes minutes
    Cooling time: 2 hours hours
    Total Time: 3 hours hours
    Servings: 12 servings
    Calories: 146kcal
    Author: Anna

    Equipment

    • Large (11-inch/28cm) skillet
    • Knife
    • 2 Mixing bowl
    • Kitchen tongs
    • 8 x 8-inch (20 x 20 cm) square pan
    • Rice cooker or a cooking pot

    Ingredients

    For the crispy rice

    • 1 ½ cups white rice I prefer Jasmine, but you can use sushi rice
    • 1 ½ cups water
    • 1 tablespoon rice vinegar
    • ½ teaspoon sugar
    • ½ teaspoon salt
    • Oil for deep frying

    For the tuna topping

    • ½ lb (250g) raw tuna finely diced
    • 1-2 tablespoon sriracha
    • 2-3 tablespoon mayonnaise
    • 1 tablespoon soy sauce
    • 1 teaspoon sesame oil
    • 1 tablespoon toasted sesame seeds
    • 2 tablespoon chives finely chopped
    • Thinly sliced jalapeños for serving

    Instructions

    • Cook the rice according to the package instructions.
    • In a small bowl, combine the vinegar, salt, and sugar. Microwave for 5-10 seconds to warm up the mixture to help the sugar and salt dissolve. Once the rice is cooked, pour the mixture onto the rice and mix it.
    • Line an 8 x 8 inch (20 x 20cm) pan with plastic wrap or parchment paper. While the rice is still warm, add it to the pan and press it down firmly with the wet back of a spoon. Make the surface as smooth as possible, cover with plastic wrap, and refrigerate for 2 hours or until firm. Alternatively, place it in the freezer to speed up the cooling process. The time also depends on how sticky your rice is - stickier rice needs less time to become ready for frying.
    • Meanwhile, prepare the spicy tuna by combining all ingredients in a mixing bowl. Refrigerate while the rice is cooling down.
    • Once fully cooled, remove the rice slab from the pan and cut it into 12 pieces.
    • Heat approximately 1 inch of oil in a frying pan or pot. Fry the rice squares in several batches for 3-4 minutes per side or until golden.
    • Remove onto a paper towel to cool down. Once cooled, top each crispy rice square with spicy tuna and a thinly sliced fresh jalapeño and serve.

    Recipe video

    Notes

    Store the rice squares and the tuna separately in airtight containers in the fridge for up to 2 days. Reheat the rice squares in the oven or air fryer to bring back the crunch before topping and serving. 
    Nutrition Facts
    Crispy Rice with Spicy Tuna
    Amount Per Serving (1 serving)
    Calories 146 Calories from Fat 36
    % Daily Value*
    Fat 4g6%
    Saturated Fat 1g6%
    Trans Fat 0.01g
    Polyunsaturated Fat 1g
    Monounsaturated Fat 2g
    Cholesterol 8mg3%
    Sodium 250mg11%
    Potassium 90mg3%
    Carbohydrates 19g6%
    Fiber 0.4g2%
    Sugar 1g1%
    Protein 7g14%
    Vitamin A 480IU10%
    Vitamin C 2mg2%
    Calcium 17mg2%
    Iron 1mg6%
    * Percent Daily Values are based on a 2000 calorie diet.

    This website, https://heretocook.com, offers nutritional information for recipes contained on this site. This information is provided as a courtesy and should not be construed as a guarantee. This information is a product of online calculators such as Cronometer.com and MyFitnesPal.com

    Tried this recipe?Mention @heretocook or tag #heretocook!

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    Hey, I'm Anna!

    Here to cook is my space to share recipes that bring joy to everyday cooking. From quick weeknight dinners to creative dishes for special occasions, you’ll find recipes to inspire your kitchen adventures.

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