Kokua added a comment on the recipe Simple Trifle :
I'm sure there's some good vegan custard recipes on this site if you search for one, but basically you can thicken soy milk or soy creamer with cornstarch to get a custard-like consistency.
Kokua added a comment on the recipe Japanese Style Pickles and Rice :
btw, wikipedia on tsukemono: http://en.wikipedia.org/wiki/Tsukemono