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Tekkadon - vinegared rice topped with slices of fresh tuna sashimi, pickled ginger, wasabi, shiso and chopped spring onion in a black lacquerware bowl

Tekka Don (Japanese Tuna Sashimi Bowl)

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Tekka don is the perfect rice bowl for sushi lovers. Made with melt-in-the-mouth pieces of marinated sashimi-grade tuna served over seasoned sushi rice and topped with pickled ginger, wasabi, shiso leaves, and chopped green onion, this rice bowl is a simple, filling, and refreshing dish, perfect for lunch or dinner!

Prep Time40 minutes
Cook Time30 minutes
Total Time1 hour 10 minutes

Course Dinner, Lunch, Main Course, Sushi and Sashimi
Cuisine Japanese
Servings 2 servings
Calories 395
Prep Time: 40 minutes
Cook Time: 30 minutes
Total Time: 1 hour 10 minutes

Course: Dinner, Lunch, Main Course, Sushi and Sashimi
Cuisine: Japanese
Servings: 2 servings
Calories: 395

Ingredients 
 

Sushi Rice (small batch)

  • 150 g uncooked Japanese short-grain rice
  • 150 ml cold water
  • 3 g dried kelp (kombu) kombu
  • ½ tbsp sake
  • 1 tbsp rice vinegar
  • ¼ tsp sugar
  • ½ tsp salt

Tuna and Marinade

Instructions 

Sushi Rice (small batch)

  • Measure out the rice and pour it into a sieve. Place the sieve over a mixing bowl, fill it with cold water and swish the rice around. Pour the cloudy water out and repeat two more times to wash the rice.
    Washing rice in a sieve over a bowl
  • Transfer 150 g uncooked Japanese short-grain rice to a rice cooker (or pot with lid) and add 150 ml cold water and 3 g dried kelp (kombu). Leave to soak for 30 minutes.
    soaking rice with kombu in a pot
  • After 30 minutes, add ½ tbsp sake and mix. Set the rice cooker to cook the rice. (If cooking on the stove, follow my instructions in the post or check out my sushi rice post.
    adding sake to pot of rice
  • Mix 1 tbsp rice vinegar, ¼ tsp sugar and ½ tsp salt in a small bowl until the granules have dissolved. Set aside for later.
    sushi vinegar mixed in a glass bowl

Marinating

  • Pour 50 ml mirin and 50 ml sake into a small pan and boil on a medium-high heat for 1 minute to burn off the alcohol.
    Heating sake and mirin in a pan
  • Turn off the heat and add 50 ml soy sauce, then leave to cool. (You can speed up the cooling process by transferring the sauce to a heatproof bowl and placing over a bowl of ice.) It must be fully cooled before adding the tuna.
    Making marinade
  • Pour the cooled marinade into a wide container and add 2-3 g dried kelp (kombu).
    kombu in magurozuke don marinade
  • Coat 200 g sashimi grade tuna sliced in the marinade and then lay them flat in the container. Try to keep it to one layer.
    dipping tuna sashimi in marinade that contains a small sheet of kombu
  • Cover the tuna with plastic wrap so that its in direct contact with the surface of the tuna. If the container has a lid, place it on top. If not, add another piece of plastic wrap over the top. Marinate in the refrigerator for 30 minutes.
    Sashimi grade tuna soaking in a marinade to make tekka don

Assembling

  • Once the rice has cooked, remove the kombu and break it up using a rice paddle.
    mixed sushi rice in a pot
  • Add the rice vinegar mixture to the rice and mix until evenly distributed.
    adding sushi vinegar to cooked rice in a pot
  • Divide it into serving bowls and then arrange the slices of marinated tuna on top. Pour about ½ tbsp of the leftover marinade over each bowl and top with 1 tsp wasabi paste, 2-4 perilla (shiso) leaves, 1 tbsp pickled sushi ginger "gari" and 2 tbsp finely chopped green onions.
    Tekkadon in a black lacquerware bowl topped with ooba leaf, gari (pickled ginger), wasabi and chopped spring onion
  • Enjoy!

Nutrition

Serving: 355g | Calories: 395kcal | Carbohydrates: 46.3g | Protein: 29.1g | Fat: 8.1g | Saturated Fat: 1.81g | Polyunsaturated Fat: 2.2g | Cholesterol: 53mg | Sodium: 2438mg | Fiber: 1.5g