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Close up view of a colourful bowl of tuna mango poke. There is a rainbow of vegetables and fruit, including purple cabbage, watermelon radish, carrots, mango, edamame, avocado, and cucumber
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5 from 4 votes

Tuna Mango Poke

This tuna mango sushi is gorgeous - featuring a rainbow of vegetables and fruits - flavourful, & packed with nutrition. It's relatively low carb, too!
Prep Time15 mins
Cook Time5 mins
Chilling time30 mins
Total Time50 mins
Course: Main Course
Cuisine: American, Gluten-free, Japanese, Low Carb
Servings: 2 people
Calories: 336kcal
Author: Marie Porter


Sushi Knife
Food processor


Marinated Fish

  • ½ lb Sashimi grade Tuna
  • 2 tablespoon Soy sauce
  • 1 tablespoon Calamansi juice* or rice vinegar
  • 1 teaspoon sesame oil

Low Carb Sushi “Rice”

  • 1 small head cauliflower
  • 2 tablespoon Seasoned rice vinegar
  • 2 teaspoon Sugar
  • ¾ teaspoon Salt

For Assembly:

  • Avocado
  • Carrots shredded, julienned, or ribboned with a veg peeler
  • Edamame defrosted and salted
  • English cucumber sliced
  • Green Onions thinly sliced
  • Jalapeno slices
  • Mango peeled and sliced
  • Nori cut into small ribbons
  • Purple Cabbage thinly sliced
  • Watermelon Radish thinly sliced
  • Sesame seeds
  • Mango sauce


For Marinated Fish:

  • Trim tuna, if needed. Using a sharp knife, slice tuna into small chunks - ½" cubes or so. Place in a glass bowl.
  • Mix together Soy sauce, juice, and sesame oil, pour over fish. Stir well to coat.
  • Cover with plastic wrap, chill for 30 minutes.

For Low Carb Sushi “Rice”:

  • Chop cauliflower into small florets, transfer to a food processor.
  • Blitz until cauliflower resembles rice. Transfer to a microwave safe dish.
  • Microwave for about 5 minutes - stirring every once in a while, until hot and cooked through.
  • Mix together rice vinegar, sugar, and salt. Pour over hot “rice”, stir well to combine.

To Assemble:

  • Divide warm “rice” between two bowls. (I like to use wide, shallow bowls for this).
  • Arrange fruit, vegetables, and marinated tuna on top of the rice.
  • Drizzle with Mango Sauce, sprinkle with sesame seeds.
  • Serve immediately


Calories: 336kcal | Carbohydrates: 18g | Protein: 32g | Fat: 16g | Saturated Fat: 3g | Cholesterol: 43mg | Sodium: 1970mg | Potassium: 1053mg | Fiber: 7g | Sugar: 8g | Vitamin A: 2588IU | Vitamin C: 75mg | Calcium: 53mg | Iron: 3mg