Nori
How Japanese Nori Is Graded
Japanese nori (seaweed used for sushi) is graded based on appearance, aroma, texture, and taste. High-end sushi restaurants are extremely particular about nori because it directly affects the overall experience.
1. Colour (Most Important First Indicator)
High-grade nori:
- Deep black with a slight green sheen
- Looks glossy under light
Lower-grade nori:
- Dull green, brownish, or uneven colour
💡 The darker and more uniform, the higher the grade.
2. Texture & Structure
High-grade:
- Thin but dense and even
- Smooth surface
- Minimal holes or rough patches
Lower-grade:
- Thick or brittle
- Uneven texture
- Visible holes or rough fibres
3. Aroma
High-grade:
- Fresh, oceanic
- Slightly sweet, clean smell
Lower-grade:
- Fishy or stale
- Little to no aroma
4. Taste (Key for Premium Use)
High-grade:
- Strong umami
- Slight natural sweetness
- Clean finish (not bitter)
Lower-grade:
- Bland or bitter
- Harsh aftertaste
5. Crispness
High-grade:
- Light, crisp bite when freshly toasted
- Melts slightly in the mouth
Lower-grade:
- Tough or chewy
- Doesn’t break cleanly
6. Translucency Test (Chef Trick)
High-end chefs often hold nori up to the light:
High-grade:
- Slightly translucent
- Fine, even fibre structure
Lower-grade:
- Opaque and patchy
Common Japanese Nori Grades (Simplified)
| Grade | Quality | Use |
|---|---|---|
| Grade A / Premium | Best quality | Omakase, handrolls |
| Grade B | Good quality | Sushi rolls |
| Grade C | Basic | Home use, mass catering |
(Some suppliers use terms like Gold / Silver / Blue / Green grades instead.)
Why High-End Sushi Restaurants Care
In premium sushi:
- Nori should enhance the fish, not overpower it
- It must stay crisp but dissolve easily
- It contributes to the overall umami balance
Especially for:
- Handrolls (temaki)
- Gunkan sushi
- Omakase service
💡 Simple Way to Think About It
- Cheap nori → wrapper
- Good nori → ingredient
- Great nori → flavour layer
🔥 Pro Insight (Used by Top Sushi Chefs)
Many Michelin sushi restaurants:
- Source nori from specific regions (e.g. Ariake Sea)
- Use different nori for different dishes
- Serve handrolls immediately so nori stays crisp
The nori at Onori is sourced from Japan and is certified Grade A Nori, creating the perfect complement to our other ingredients.