Rice:
- Rinse rice in cold water three times or until water is clear.
- Cook Rice in 2 cups of water with Kombu in a rice cooker.
- Mix sushi rice seasoning ingredients (rice vinegar, sugar, salt) in a saucepan until sugar and salt are dissolved.
- When the rice is finished cooking, mix the sushi rice seasoning into the hot rice until fully incorporated.
Seasoned Soy Sauce:
- Heat sake, mirin, and sugar in a saucepan for 5 minutes on medium heat.
- Add soy sauce, kombu, and Katsuobushi.
- Simmer on low heat for 15 minutes.
- Strain the soy sauce.
Poke:
- Soak Hijiki in cold water for 30 minutes.
- In a bowl, mix together all ingredients for the poke (cubed tuna, sliced onion, sliced scallion, grated garlic, grated ginger, Hawaiian salt, soaked hijiki, seasoned soy sauce, sesame oil).
- Place in the fridge for 30 minutes.
Assemble your poke bowl and enjoy!