Lifestyle

Get wrapped up in flavour with Portabello Onigirazu

Portabello Onigirazu is a Japanese-inspired dish made with sushi rice, juicy portabello mushrooms, fresh vegetables, and nori sheets.

Experience a fusion of Japanese and Western cuisine with this Portabello Onigirazu recipe from the South African Mushroom Farmers Association.

Featuring seasoned sushi rice, succulent portabello mushrooms, and fresh vegetables all wrapped up in a nori sheet, this dish is perfect for a tasty lunch or light dinner.

Serves: 4

Ingredients

For the rice

  • 400g sushi rice
  • 500ml water
  • 2 tsp salt
  • 2 Tbsp sugar
  • 160ml rice vinegar

For the filling

  • 1 Tbsp sesame oil
  • 4 large portabello mushrooms, thickly sliced
  • 1 Tbsp soy sauce
  • 8 sheets nori
  • 1 large avocado, quartered and sliced
  • 1 large carrot, peeled and sliced into fine matchsticks
  • ½ small cucumber, sliced
  • 1 handful baby spinach leaves
  • 4 Tbsp pickled ginger
  • Black sesame seeds, for serving
  • Soy sauce, for dipping

Method

For the rice

  1. Rinse the sushi rice in a sieve, extremely well, until the water runs clear.
  2. Pour the rinsed rice into a pot with the 500ml water.
  3. Place a lid on the pot.
  4. Allow to sit for 30 minutes.
  5. Place rice onto the heat and bring to a boil.
  6. Once rice reaches a boil turn the heat down to the lowest setting.
  7. Cook for 10 minutes.
  8. Switch the heat off and leave the rice, lid on, for a further 15 minutes.
  9. In a small saucepan, combine the salt, sugar and rice vinegar over low heat.
  10. Once dissolved, pour evenly over the rice and fold very gently with a wooden spoon or silicone spatula.
  11. Spread rice out onto a clean tray and allow to cool.

For the filling

  1. Heat a large frying pan on high heat.
  2. Add a drizzle of sesame oil and the mushrooms.
  3. Cook until just golden brown and tender.
  4. Pour in the soy sauce and toss to coat.
  5. Set aside.
  6. Prep the rest of the vegetables.

To assemble

  1. Lay a nori sheet (rough side up) on a clean work surface.
  2. With wet fingers to prevent sticking, position ± ½ cup of the cooked rice in the centre of the nori sheet and shape it into a square, at a 45˚ angle to the nori.
  3. Layer the baby spinach, carrot, pickled ginger, avocado, mushrooms and cucumber.
  4. Put another ± ½ cup layer of rice on top of the filling, and compact it down into a square.
  5. Fold the corners of the nori in to meet in the centre of the rice, then wrap in the plastic wrap tightly and shape neatly.
  6. Repeat with the remaining rice and fillings.
  7. Leave each onigirazu wrapped for 10 minutes so the nori softens slightly.
  8. Slice in half and sprinkle with black sesame seeds.
  9. Serve with some soy sauce for dipping and enjoy!

Top tip: You should only need one sheet of nori per sushi sandwich, however if you overfill them just use a piece of another sheet and patch the sandwich until it seals nicely.

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I'm an experienced writer, sub-editor, and media & public relations specialist with a demonstrated history of working in the media industry – across digital, print, TV, and radio. I earned a diploma in Journalism and Print Media from leading institution, Damelin College, with distinctions (Journalism And Print Media, Media Studies, Technical English And Communications, South African Studies, African & International Studies, Technology in Journalism, Journalism II & Practical Journalism). I also hold a qualification in Investigative Journalism from Print Media SA, First Aid Training from St John’s Ambulance, as well as certificates in Learning to Write Marketing Copy, Planning a Career in User Experience, and Writing a Compelling Blog Post.

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