Hawaiian Spicy Tuna Rice Bowl (Keto & Low-Carb Option)

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This Hawaiian Spicy Tuna Rice Bowl is a fresh, flavorful dish inspired by poke bowls. Featuring marinated spicy tuna, creamy avocado, crunchy veggies, and a delicious sriracha mayo sauce over a bed of rice (or cauliflower rice for keto), this dish is a perfect balance of heat, umami, and texture.

Why You’ll Love This Recipe

  • Fresh & flavorful – A perfect mix of spicy, creamy, and savory flavors.
  • Quick & easy – Ready in under 20 minutes!
  • Healthy & protein-packed – Loaded with omega-3s and nutritious veggies.
  • Customizable – Swap ingredients to suit your preferences.
  • Keto & low-carb option – Use cauliflower rice instead of white rice.

Ingredients

this recipe

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the Spicy Tuna:

  • Fresh sushi-grade tuna (cubed)
  • Soy sauce or coconut aminos (for a gluten-free option)
  • Sriracha
  • Mayonnaise (or Greek yogurt for a lighter option)
  • Sesame oil
  • Green onions (chopped)
  • Sesame seeds
  • Lime juice (optional, for extra brightness)

For the Rice Bowl:

  • Cooked white rice or sushi rice (use cauliflower rice for keto)
  • Avocado (sliced)
  • Cucumber (thinly sliced)
  • Carrots (julienned)
  • Edamame (optional, omit for keto)
  • Nori (seaweed strips, optional)
  • Pickled ginger (optional)

Toppings & Garnishes:

  • Sliced jalapeños (for extra spice)
  • Furikake seasoning
  • Extra sesame seeds
  • Extra sriracha or spicy mayo drizzle

Directions

Step 1: Prepare the Spicy Tuna

  1. In a bowl, mix soy sauce, sriracha, mayo, sesame oil, and lime juice.
  2. Add cubed sushi-grade tuna, green onions, and sesame seeds.
  3. Toss gently to coat and let marinate for 10-15 minutes.

Step 2: Assemble the Rice Bowl

  1. Divide cooked rice (or cauliflower rice) into bowls.
  2. Arrange avocado, cucumber, carrots, edamame, and pickled ginger around the edges.
  3. Spoon the marinated spicy tuna on top of the rice.

Step 3: Garnish & Serve

  1. Drizzle extra sriracha mayo over the bowl.
  2. Sprinkle with furikake, sesame seeds, and jalapeños.
  3. Serve immediately and enjoy!

Servings and Timing

  • Servings: 2
  • Prep time: 10 minutes
  • Cook time: 5 minutes
  • Total time: 15 minutes

Variations

  • Keto version – Use cauliflower rice and skip edamame.
  • Extra spicy – Add more sriracha or diced chili peppers.
  • Soy-free – Use coconut aminos instead of soy sauce.
  • Pescatarian alternative – Use cooked shrimp instead of raw tuna.
  • Crunchy twist – Add crushed macadamia nuts for texture.

Storage/Reheating

  • Refrigerator: Store spicy tuna separately from rice for up to 1 day.
  • Freezer: Not recommended—fresh tuna is best eaten the same day.
  • Reheating: No need to reheat—enjoy chilled or at room temperature.

FAQs

Is this recipe keto-friendly?

Yes! Just use cauliflower rice and skip edamame to keep it low-carb.

How do I know if my tuna is sushi-grade?

Buy from a trusted seafood market and ensure it’s labeled sushi- or sashimi-grade.

Can I use canned tuna instead of fresh?

Yes, but the texture will be different. Use solid white albacore for the best results.

What’s the best rice for this dish?

Sushi rice is traditional, but jasmine rice, brown rice, or cauliflower rice work too.

Can I make this ahead of time?

Yes! Marinate the tuna and prep veggies ahead, then assemble just before serving.

What can I substitute for sriracha?

Try chili garlic sauce or gochujang for a different type of heat.

Can I add other toppings?

Absolutely! Try mango, radish, or crispy onions for extra flavor.

How do I make spicy mayo?

Mix ¼ cup mayo + 1 tbsp sriracha + 1 tsp lime juice for a simple spicy mayo.

Can I use frozen tuna?

Yes, but thaw it properly in the fridge overnight before using.

What’s a good side dish for this bowl?

Try miso soup, seaweed salad, or a simple cucumber salad.

Conclusion

This Hawaiian Spicy Tuna Rice Bowl is a quick, refreshing, and flavorful meal that’s packed with protein and nutrients. Whether you keep it traditional or make it keto-friendly, this dish is an easy way to enjoy the fresh, bold flavors of poke at home. Try it today and enjoy a restaurant-quality meal in minutes!

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Hawaiian Spicy Tuna Rice Bowl (Keto & Low-Carb Option)

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This fresh and zesty Hawaiian-inspired spicy tuna bowl is packed with flavor! It features sushi-grade tuna, creamy spicy mayo, and crunchy toppings served over rice or a keto-friendly base.

 

  • Author: [email protected]
  • Prep Time: 15 minutes
  • Total Time: 15 minutes
  • Yield: 2 servings 1x
  • Category: Dinner
  • Method: No-Cook
  • Cuisine: Hawaiian, Asian-Inspired
  • Diet: Gluten Free

Ingredients

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For the Spicy Tuna:

  • 8 oz sushi-grade tuna, diced into small cubes
  • 1 tablespoon soy sauce (or coconut aminos for keto)
  • 1 teaspoon sesame oil
  • ½ teaspoon rice vinegar
  • 1 tablespoon sriracha (adjust to taste)
  • 2 tablespoons mayonnaise (or Greek yogurt for a lighter option)
  • ½ teaspoon grated ginger (optional)
  • 1 teaspoon sesame seeds

For the Rice Bowl:

  • 1 cup cooked white rice, brown rice, or sushi rice
  • Keto Option: Use cauliflower rice or shredded cabbage instead
  • ½ avocado, sliced
  • ¼ cup cucumber, diced
  • 2 tablespoons green onions, sliced
  • ¼ cup shredded carrots (omit for keto)
  • 1 sheet nori (seaweed), cut into thin strips
  • 1 teaspoon furikake (Japanese seasoning, optional)

For Garnish:

  • Extra sesame seeds
  • Extra sriracha or spicy mayo drizzle
  • Lime wedges

Instructions

  1. Prepare the Spicy Tuna

    • In a medium bowl, mix soy sauce, sesame oil, rice vinegar, sriracha, mayo, and ginger.
    • Add diced tuna and gently toss until well coated.
    • Let it marinate in the fridge for 10-15 minutes while you prep the bowl.

  2. Assemble the Bowl

    • Divide the rice (or cauliflower rice for keto) into bowls.
    • Arrange avocado, cucumber, green onions, shredded carrots, and nori strips around the bowl.
    • Spoon the spicy tuna over the top.

  3. Garnish & Serve

    • Sprinkle with extra sesame seeds and furikake if using.
    • Drizzle with extra sriracha or spicy mayo for more heat.
    • Serve immediately with lime wedges on the side.

Notes

  • Make It Extra Keto-Friendly: Swap out the carrots and use shredded cabbage or zoodles as a base instead of rice.
  • Don’t Like Raw Tuna? Try using cooked shrimp or seared ahi tuna instead.
  • More Protein? Add an extra egg or tofu for more protein without extra carbs.

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