Creamy Avocado Tuna Poke Bowl

By DishFrames
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A healthy fat-loss meal featuring cubed raw tuna and creamy avocado marinated overnight in soy sauce and mirin, served over vinegar sushi rice.

↓ The ingredients ↓ The steps

This Avocado Tuna Poke Bowl brings together tender, savory marinated tuna and buttery avocado for a nutritious and refreshing meal. By letting the fish and avocado soak in a balanced blend of soy sauce, mirin, and sesame oil, the flavors penetrate deeply for a rich taste experience that supports a balanced lifestyle.

Close-up of an Avocado Tuna Poke Bowl featuring cubed tuna and avocado over white rice, garnished with shredded seaweed and green onions.
Close-up of an Avocado Tuna Poke Bowl featuring cubed tuna and avocado over white rice, garnished with shredded seaweed and green onions.
Prep20 mins
Cook8 hr
Total8 hr 20 mins
Yield1 serving
DifficultyEasy
Calories450 kcal

Ingredients

Instructions

  1. 1Scoop Avocado
    A hand holding a scored avocado half over a glass mixing bowl, using a spoon to scoop out the pieces.

    Scoop the pre-cubed ripe yet firm avocado pieces directly from their skin into a glass mixing bowl using a spoon.

    Tip: Make sure the avocado is ripe but still firm so it holds its shape as cubes.
  2. 2Add Tuna
    Fresh cubed tuna pieces being poured from a small bowl into the glass bowl containing the avocado cubes.

    Transfer 300g of cubed tuna pieces into the glass bowl containing the avocado cubes.

    Tip: Cut the tuna into uniform bite-sized cubes for even marination.
  3. 3Season and Marinate Ingredients
    Dark sauce being poured from a small glass container over the bowl filled with tuna and avocado cubes.

    Pour soy sauce, mirin, a little sesame oil, and sugar over the tuna and avocado, mix thoroughly, and let marinate in the refrigerator overnight.

    Tip: Allowing the mixture to marinate longer, or even overnight, helps the flavors fully absorb into the tuna.
  4. 4Assemble Poke Bowl
    A spoonful of marinated tuna and avocado being placed over a bowl of white sushi rice.

    Prepare vinegar rice by mixing cooked white rice with sushi vinegar and sugar then spoon the marinated tuna and avocado mixture directly over it.

    Tip: Ensure the sushi rice is cooled to room temperature before adding the raw fish toppings.
  5. 5Add Green Onions
    A hand sprinkling chopped green onions over the tuna and avocado bowl.

    Sprinkle freshly chopped green onions evenly over the tuna and avocado topping in the bowl.

    Tip: Finely mince the green onions so they distribute flavor evenly across every bite.
  6. 6Garnish with Seaweed
    Chopsticks placing a pinch of shredded seaweed onto the center of the poke bowl as a garnish.

    Add shredded seaweed as a final garnish directly on top of the bowl to finish the dish.

    Tip: Add the seaweed right before serving to maintain its crisp texture.
  7. 7Mix the Poke Bowl Ingredients
    A spoon mixing cubed tuna and avocado with seasonings in a glass bowl.

    Using a spoon gently mix the cubed tuna avocado and the seasonings together so that the flavors are evenly distributed.

    Tip: Mix gently to avoid breaking up the soft avocado cubes.

Storage & Make-Ahead

Refrigerator
1 day
Best consumed immediately after marination, but can be kept covered in the fridge for up to a day before adding fresh garnishes.

Burn It Off

Running
~50 minutes at a moderate pace (~9 km/h).
Brisk Walking
~90 minutes of steady daily walking.
Swimming
~54 minutes of continuous swimming.

Frequently Asked Questions

Yes, you can serve it after a brief 15 to 30-minute marinade if you are pressed for time, though an overnight marinade allows the flavors to absorb much more deeply into the tuna.
Fresh, high-grade sashimi-quality yellowfin or bluefin tuna is ideal for safety and the best texture and flavor.
Submerging and coating the avocado cubes thoroughly in the soy sauce and mirin marinade helps protect them from oxidation while in the refrigerator.
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