Go ahead. Confess. Instead of sampling the ambiguous cuisine surrounding you in your travels abroad, you chose a Big Mac at the Golden Arches. Understandable. McDonald’s offers certainty plus easy-on-the-pocketbook prices. You can exhale as you scan the menu; a parade of standards marching by…Until oh, so suddenly anomalies appear. In Japan, you may have seen Ume (plum) Nuggets.