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.
Don't let the colour fool you, that stuff will clear your sinuses before you've finished the first spoonful.
Fun fact: Its Thai name, kaeng khiao wan, translates to "sweet green curry" despite being the spiciest variety.