Crispy Rice Tuna Tartare Bites with Avocado & Sweet Soy Tips, FAQ & printable recipe

Tips for success

To get the rice extra crispy, make sure the oil is hot enough before adding the pieces—a small piece of rice should sizzle immediately. Do not move the rice around too much while frying; let it develop a golden crust before turning.

Use tongs for easy flipping, and drain on paper towels to remove excess oil. If you are making a large batch, keep the fried rice warm in a low oven while you finish the rest.

For the best texture, serve the bites within 30 minutes of assembly. If you want to prepare ahead, fry the rice and store it in an airtight container at room temperature for a few hours, then re-crisp in a skillet or oven before serving. Keep the tuna and avocado separately in the fridge and assemble just before serving. This way, you get the perfect crunch every time.

Variations

• Spicy Salmon Tartare: Replace the tuna with sushi-grade salmon, finely diced. Use the same spicy mayo mixture, but add a teaspoon of chopped fresh dill or chives for a fresh note. The salmon's rich flavor pairs beautifully with the crispy rice and avocado.
• Vegan Avocado Bites: For a plant-based version, omit the tuna and double the avocado. Mash avocado with lime juice, sriracha, and a pinch of salt, then top with the crispy rice. Drizzle with sweet soy glaze and sprinkle with sesame seeds. Add finely chopped cucumber for extra crunch.
• Spicy Tuna with Mango: Add 1/4 cup finely diced ripe mango to the tuna tartare for a sweet, tropical twist. The mango's juiciness balances the heat of the sriracha and adds a bright color contrast. Serve immediately to keep the mango fresh.
• Tempura Crunch Version: For extra texture, coat the fried rice pieces in a light tempura batter before frying. This creates an even crunchier shell. Serve with a side of soy sauce for dipping. Adjust frying time to ensure the tempura is golden and crisp.

Storage and make-ahead

Fridge

Store leftover fried rice and tuna separately in airtight containers in the fridge for up to 2 days. Reheat rice in a skillet to crisp.

Freezer

Freeze uncooked rice blocks in a zip-top bag for up to 1 month. Fry directly from frozen, adding 1-2 minutes per side.

Reheat

Reheat fried rice in a 375°F (190°C) oven for 5-7 minutes or in a skillet over medium heat until crisp. Do not microwave.

Store leftover components separately in airtight containers in the refrigerator for up to 2 days. The fried rice can be stored at room temperature for a few hours, but for longer storage, refrigerate and reheat in a skillet or oven to restore crispness.

The tuna tartare should be consumed within 24 hours and kept cold. The avocado may oxidize, so press plastic wrap directly onto the surface.

The rice base can be prepared up to 2 days ahead: press the seasoned rice into the dish, cover, and freeze. Once frozen, cut into pieces and store in a zip-top bag in the freezer for up to 1 month.

Fry them directly from frozen, adding a minute or two to the cooking time. The tuna tartare can be mixed up to 4 hours ahead and kept refrigerated. Assemble the bites just before serving to maintain crunch.

Serving ideas

Serve these crispy rice tuna tartare bites as an elegant appetizer at dinner parties, cocktail hours, or holiday gatherings. They are perfect passed on a platter, and guests can pick them up easily with their fingers.

Arrange them on a large white platter with a sprinkle of extra sesame seeds and a few lime wedges on the side for squeezing. The vibrant colors—golden rice, red tuna, green avocado, and dark glaze—make a stunning presentation.

For a more substantial meal, serve the bites alongside a simple green salad or a bowl of miso soup. They also work well as a topping for a bed of mixed greens, transforming them into a light main course. If you have leftover components, you can turn them into a rice bowl with extra vegetables and a drizzle of soy sauce. These bites are versatile and always a crowd-pleaser.

Frequently asked questions

Recipe card

Crispy Rice Tuna Tartare Bites with Avocado & Sweet Soy

Prep 30 minCook 10 minRest 1 hTotal 1 h 40 minServes 8

Ingredients

• 2 cups cooked sushi rice, seasoned with rice vinegar and sugar
• 2 tbsp rice vinegar
• 1 tsp sugar
• 8 oz sushi-grade tuna, finely diced
• 3 tbsp Kewpie mayonnaise
• 1 1/2 tbsp sriracha
• 1 tsp toasted sesame oil
• 2 tbsp sliced green onions
• 1 ripe avocado, mashed with lime juice
• 1 tbsp fresh lime juice
• 3 tbsp sweet soy glaze
• 1 tbsp toasted sesame seeds
• 1/2 cup neutral oil, such as canola or vegetable, for frying

Instructions

1. If the sushi rice is not already seasoned, gently fold the rice vinegar and sugar into the warm cooked rice. Line an 8x8-inch baking dish with plastic wrap, leaving overhang on two sides. Press the seasoned rice firmly and evenly into the dish, compacting it well. Cover with the overhanging plastic wrap and press down again to pack the rice tightly. Freeze for 1 hour until firm and set.
2. Once the rice is fully chilled and firm, lift it out of the dish using the plastic wrap. Place on a cutting board. Using a sharp knife, cut the rice into 16 equal rectangles or squares, about 1 1/2 inches each. Wipe the knife clean between cuts if needed. Keep the pieces covered in the refrigerator until ready to fry.
3. Heat the neutral oil in a large skillet over medium-high heat until shimmering. Carefully place the rice pieces in the hot oil in a single layer, without crowding. Fry for 3 minutes per side, turning with tongs, until golden brown and blistered on all sides. The rice should be crisp and crackling. Transfer to a paper towel-lined plate to drain. Repeat with the remaining pieces.
4. While the rice cools, finely dice the sushi-grade tuna into small, even cubes. Place in a chilled bowl. Add the Kewpie mayonnaise, sriracha, toasted sesame oil, and sliced green onions. Fold gently with a rubber spatula until just combined. Be careful not to overmix, which can break the tuna. Keep the tartare refrigerated until ready to assemble.
5. In a small bowl, mash the ripe avocado with the fresh lime juice until smooth but still slightly chunky. Season with a pinch of salt if desired. Set aside.
6. Place a spoonful of the mashed avocado on each crispy rice piece, spreading it slightly. Top with a generous mound of the spicy tuna tartare, pressing gently to adhere. Drizzle with sweet soy glaze and sprinkle with toasted sesame seeds. Serve immediately.
7. Arrange the assembled bites on a serving platter. For the best texture, serve immediately while the rice is still warm and crispy. The contrast of warm crunchy rice, cool creamy avocado, and spicy tuna is the signature of this dish.

Contains: fish, eggs, soy, gluten, sesame, milk

Food safety: This recipe contains raw fish. Consuming raw fish may increase the risk of foodborne illness.

Estimated nutrition per serving

Calories

320

Protein

12 g

Carbohydrates

35 g

Fat

15 g

Automatic estimate from the ingredient list, not laboratory-verified.