One of these is gluten-free soy sauce, which replaces soy and wheat with peas. Another is halal soy sauce, in which they modified the fermentation process to inhibit alcohol production.
More recently, tamari has become a popular addition to the Western pantry. It’s often touted as a gluten-free soy sauce alternative, but is that the beginning and end of the differences between the ...
but it's likely that most of the dishes you love eating at home only require a small amount of those costly ingredients - such as gluten-free soy sauce, gluten-free plain flour or cornflour (for ...