Species sheet · The Edible Ocean
kombu kelp
Brown ribbons recording the current.
- In dashi broth
- Rehydrated and simmered
- Dried and grated as a seasoning

- In French
- Kombu
- Scientific name
- Saccharina japonica
- In the water
- A large brown kelp anchored to rocks of the north-west Pacific, often between 5 and 11 m deep.
- Season & buying
- Traditionally harvested in winter and spring depending on the producing region.
- Common length
- ~275 cm
- How to identify it
- Long brown ribbon-like fronds
Flat central blade
Holdfast firmly attached to rock
On the plate
Deep umami, briny and slightly sweet.
Avoid: Soaking it too long before cooking: it loses its aroma.
It is sometimes cultivated on long ropes stretched between stakes in the sea, like underwater vineyards.
In Umay recipes
20 Umay recipes call for it.
Vegan Ramen with Miso and Shiitake Broth
Red Porgy Carpaccio with Passion Fruit, Ginger, and Crisp Scallions
Cobia sushi and sashimi with mirin-nori rice, crisp daikon, and dashi glaze
Nursehound shark in delicate crepes, shrimp mousse, and kombu-bonito broth
Traditional Japanese tsuyu for mentsuyu
Shoyu tare
Traditional Tsuyu Sauce for Soba
Salt Tare (Shio Tare)
Japanese ponzu sauce
Oyakodon (Japanese Chicken and Egg Rice Bowl)
Mille-Feuille Nabe (Napa Cabbage and Pork Hot Pot)
Toshikoshi Soba (New Year's Eve Soba)
Creamy Korean rose tteokbokki
Yuzu Shio Ramen
Pearl barley porridge with ham and eggs
Ichiraku miso chashu ramen (Naruto)
Tonkotsu ramen (creamy pork bone broth)
Ankimo (steamed monkfish liver with ponzu)
Beef and katsuobushi dashi gyudon
Gyū Dashi Udon with beef and katsuobushi