Maybe, if you have already analyzed what people like (Soy sauce and so on) you should kind of create a big gift basket? With this gift basket you can show your own creativity and you can include a lot of things one can really need in every day cooking life - not just soy sauce but other great things like spices, herbs and
red wine gifts.
Nothing is as special as a really great gift basket - because the family can therefore see that you really thought about every piece you put into that basket carefully.