Ramen. Just a dab makes it so much better.
Also a feriner (a damn yank at that) that has come to love both marmite and vegemite.
Tbh, marmite excels as an addition in similar way to things like fish sauce, worcestershire, soy sauce and the like. It's just even more condensed, so a little dab'll do ya. Tends to not be as great in marinades as those things, but it does work somewhat.