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A classic izakaya-style appetizer featuring cubed tuna tossed in wasabi-soy sauce, topped with smooth, hand-grated nagaimo (mountain yam). A generous sprinkle of aonori (dried green seaweed) adds a rich oceanic aroma without compromising the velvety texture.
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Peel the nagaimo and grate it gently in a suribachi (mortar) to create tororo → Combine wasabi and soy sauce → Cut the tuna into 1.5–2cm cubes and gently toss with the wasabi-soy mixture → Arrange the tuna in a bowl, cover with the tororo, and sprinkle generously with aonori
Peel the nagaimo and grate it gently in a suribachi (mortar) to create tororo → Combine wasabi and soy sauce → Cut the tuna into 1.5–2cm cubes and gently toss with the wasabi-soy mixture → Arrange the tuna in a bowl, cover with the tororo, and sprinkle generously with aonori
A classic izakaya-style appetizer featuring cubed tuna tossed in wasabi-soy sauce, topped with smooth, hand-grated nagaimo (mountain yam). A generous sprinkle of aonori (dried green seaweed) adds a rich oceanic aroma without compromising the velvety texture.
Peel the nagaimo thinly with a knife.
Using the inner rim of the suribachi (mortar), grate the nagaimo slowly without applying force. Use a pestle to crush any small remaining pieces until smooth, ensuring nothing goes to waste.
In a small bowl or suribachi, combine 1 tbsp (15ml) of wasabi with soy sauce and mix well until dissolved.
Cut the tuna into 1.5cm to 2cm cubes.
Add the cubed tuna to the wasabi-soy sauce and toss gently.
💡 For the best texture, use a suribachi (mortar) rather than a metal grater; grate gently without applying heavy pressure to achieve a smooth consistency.
⚠️ Using chopped green onions as a garnish can interfere with the smooth mouthfeel of the yam, so the secret to success is to use plenty of aonori instead.
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