Vegan substitute for Fish sauce
Fish sauce brings salt, umami and funk. Seaweed and fermented soy reproduce all three without anchovies.
Options, ratios and best uses
Kombu soy sauce
1:1Simmer kombu in soy with sugar, cool and strain.
Best for: curries, dressings, dips
Vegan fish sauce
1:1Pineapple or seaweed based; widely available now.
Best for: anything
Miso + lime
1 tsp miso + 1 tsp lime per tbspWhisk into liquid before adding.
Best for: dressings
Mushroom seasoning
1 tsp per tbspVery salty — adjust other salt down.
Best for: stir-fries, broths
Tips
- Add a pinch of sugar to mimic the sweetness
- Dried shiitake stock deepens the umami
- Season at the end so salt doesn't concentrate
Avoid
- Using dark soy sauce alone — too bitter
- Forgetting curry pastes may already contain shrimp
Questions people ask
Does vegan fish sauce taste the same?
Very close in cooked dishes; side by side raw, it is slightly less pungent.
What about oyster sauce?
Mushroom "oyster" sauce is a direct 1:1 substitute.