Spicy Tuna Sushi Bowl
Why this Spicy Tuna Sushi Bowl steals the show
The Spicy Tuna Sushi Bowl delivers bright, briny tuna, creamy avocado, and crisp cucumber over a bed of warm sushi rice (or a lighter cauliflower rice), making every bite lively and texturally satisfying. A practical tip: rinse sushi rice until the water runs clear to keep grains from becoming gummy and to let the spicy tuna stand out. For another quick seafood-forward bowl with a sweet-heat profile, try the honey-sriracha salmon bowls for inspiration.
What makes this bowl so approachable
This recipe is fast (minimal cooking), forgiving (use cauliflower rice if you prefer low-carb), and versatile—spicy mayo binds the seafood and doubles as dressing, so assembly is simple and satisfying. If you like bold heat paired with familiar comforts, the technique is similar to recipes like the spicy garlic chicken and broccoli noodle bowls, where a small sauce does heavy lifting.
Small wins you’ll notice right away
Quick wins to notice
- Bold, bright flavor from spicy mayo coating every tuna cube
- Creamy contrast from avocado that calms the heat
- Crisp cucumber for refreshing crunch
- Fast assembly—ready in under 20 minutes if rice is prepped
- Easy portion control: build as many bowls as you need
At-a-glance cooking flow
Start by cooking your base (sushi or cauliflower rice), prep the tuna and vegetables while it cooks, toss the tuna with spicy mayo, then assemble and finish with soy and sesame. This compact sequence keeps the tuna chilled until serving and the rice at the ideal temperature. If you prefer a richer salmon twist, see this spicy salmon bowl for a related method.
Prep like a pro
Organize mise en place: measure spicy mayo, dice tuna, slice avocado and cucumber, and have soy and sesame ready to finish. Keep tuna chilled until the last minute to preserve texture and food safety. For a cook-at-home shortcut, prepare rice the night before and gently reheat with a splash of rice vinegar for freshness. If you’re experimenting with baked or casserole-style seafood, check the spicy salmon sushi bake for technique ideas.
Shopping list
Fresh tuna, Avocado, Cucumbers, Spicy mayo, Sushi rice or cauliflower rice, Soy sauce (optional), Sesame seeds (optional)

For a light, breakfast-style contrast you can pair dishes with, consider a simple cold option like the 5-minute fruit smoothie bowl with Greek yogurt.
Choosing the best ingredients
Choose sashimi-grade tuna from a trusted fish counter if eating raw, and pick a slightly firm avocado (yields to gentle pressure) to avoid overly mushy slices. For cucumbers, Persian or English types are thinner-skinned and less seedy. Use good-quality spicy mayo (or make your own with mayonnaise and sriracha) and short-grain sushi rice for authentic texture; cauliflower rice should be pulsed fine and lightly steamed.
Step-by-step assembly
- Start by cooking the sushi rice according to package instructions. If using cauliflower rice, prepare it according to your preference.
- While the rice is cooking, dice the fresh tuna and slice the avocado and cucumbers.
- In a bowl, combine the diced tuna with spicy mayo to taste.
- Once the rice is ready, assemble your bowl by placing a scoop of rice at the bottom.
- Top the rice with the spicy tuna mixture, avocado slices, and cucumber.
- Drizzle with soy sauce if desired and sprinkle sesame seeds on top.
- Serve immediately and enjoy your flavorful sushi bowl!
Timing and visual cues to watch for
- Sushi rice: grains should be tender but separate, glossy, and slightly sticky—cool slightly before assembling.
- Cauliflower rice: cook until just tender, not mushy, and taste for seasoning.
- Tuna: keep chilled until mixed with mayo; the cubes should hold shape and look glossy, not dry.
- Assembly: arrange avocado to show bright green edges and add cucumber last for crunch.
How to serve and enjoy
Serve immediately with chopsticks or a spoon and a small dish of soy for dipping. This bowl makes a great weeknight dinner, light lunch, or a composed dish for casual entertaining—pair with a crisp green salad or pickled ginger.
Serving ideas
- Serve with a side of pickled ginger and wasabi for a sushi-like experience
- Pair with steamed edamame and a cold beer for a relaxed meal
- Spoon extra spicy mayo on the side for those who want more heat
Keeping leftovers safely
If you must store leftovers, separate the tuna from the rice and refrigerate in airtight containers. Raw fish should be consumed the same day for best safety and quality.
Storage reminders
- Store tuna and rice separately in the fridge up to 24 hours
- Do not refreeze raw tuna once stored fresh
- Reheat rice gently with a splash of water to restore moisture; do not reheat raw tuna
Pro techniques and gadgets
A sharp chef’s knife makes clean tuna cubes; a rice paddle or wooden spoon prevents rice from getting mashed. Use a small bowl to mix tuna and spicy mayo to control coating without overworking the fish.
Extra tips
- Chill the mixing bowl briefly before tossing tuna to keep it cool
- Use a mandoline for even cucumber slices if serving many bowls
Twists on the spicy tuna bowl
Swap proteins or bases to suit diets: use cooked shrimp, canned tuna, or seared tofu; serve over mixed greens or soba noodles for variation.
Easy swaps
- Replace sushi rice with mixed greens or quinoa for a non-rice base
- Use Greek yogurt mixed with sriracha as a lighter spicy mayo substitute
- Swap sesame seeds for crushed nori or toasted almonds for a different crunch
Nutrition snapshot
Estimated per serving (one bowl): Calories ~450, Protein ~28g, Fat ~22g, Carbs ~35g — serving size: about 1 generous bowl. Actual values vary based on portion sizes, rice vs. cauliflower rice, and how much spicy mayo you use.
Nutrition adjustment notes
- To reduce calories and carbs, swap sushi rice for cauliflower rice (cuts carbs significantly).
- To increase protein, add an extra 2–3 oz tuna or a soft-boiled egg.
- To reduce fat, use a lighter mayo or Greek yogurt-based spicy sauce.
Common questions answered
Q: Is it safe to eat raw tuna in this bowl?
A: Use sashimi-grade tuna from a reputable seller and keep it well-chilled; consume within the same day for best safety. If unsure, sear the tuna briefly on high heat and then dice.
Q: Can I make the spicy mayo from scratch?
A: Yes—mix mayonnaise with sriracha (start 1 tbsp mayo to 1 tsp sriracha) and adjust to taste; add a squeeze of lime for brightness.
Q: How long does the assembled bowl stay good?
A: Best eaten immediately; if assembled with cold tuna, consume within a few hours. For leftovers, store components separately and combine just before eating.
Q: What’s a good soy substitute?
A: Use tamari for gluten-free options or a light fish sauce diluted with water for a different umami note.
Give it a go
This Spicy Tuna Sushi Bowl is quick to assemble, full of texture, and endlessly adaptable—give it a try this week and tweak the heat and base to suit your cravings. Enjoy the balance of spicy, creamy, and crunchy in every spoonful.

Spicy Tuna Sushi Bowl
Ingredients
Method
- Cook the sushi rice according to package instructions or prepare cauliflower rice as per your preference.
- While the rice is cooking, dice the fresh tuna and slice the avocado and cucumbers.
- In a bowl, combine the diced tuna with spicy mayo to taste.
- Once the rice is ready, place a scoop of rice at the bottom of your bowl.
- Top the rice with the spicy tuna mixture, avocado slices, and cucumber.
- Drizzle with soy sauce if desired and sprinkle sesame seeds on top.
- Serve immediately and enjoy your flavorful sushi bowl!







