Flat noodles drenched in dark soy — basically pad thai's quieter sibling who probably deserved more attention.
Fun fact: The name translates to "fried soy sauce" — the noodles aren't mentioned anywhere in it.
Portuguese missionaries taught Japan to deep-fry things and that might genuinely be their greatest contribution.
Fun fact: Portuguese missionaries introduced the frying technique to Japan in the 1540s as a Lenten cooking method.