Use equal measurements of tamari as you would soy sauce at a 1:1 ratio. Use as the recipe instructs.
Worcestershire Sauce
Use equal amounts of Worcestershire Sauce as soy sauce at a 1:1 ratio. Add as the recipe instructs. To reduce the 'tart' flavor of the sauce, add extra salt.
Coconut Aminos
Use an equal amount of coconut aminos to soy sauce at a 1:1 ratio. Add as the recipe instructs.
Oyster Sauce
Use equal amounts of oyster sauce to soy sauce at a 1:1 ratio. Use as recipe instructs. Keep in mind that the dish's overall taste will change as oyster sauce has a distinctive taste.
Miso
Use equal amounts of miso paste to soy sauce at a 1:1 ratio. Add a little water (if desired) to thin out the paste before adding as the recipe instructs.
Fish Sauce
Use equal measurements of fish sauce to soy sauce at a 1:1 ratio. Use as recipe instructs. If you don't want the distinct flavor, reduce the measurement of fish sauce by half and add extra salt.
Maggi Seasoning
It’s best to use Maggi seasoning liquid, instead of powder (which you need to dissolve in water). Use equal amounts of Maggi seasoning as you would soy sauce at a 1:1 ratio. Add as recipe instructs.
Marmite/Vegemite
Use 1/2-1tsp of Marmite/Vegemite in the place of soy sauce. A little bit goes a long way! If desired, thin out with a little water before adding as recipe instructs.