Trey Ang — Charcoal-Grilled Lake Fish with Teuk Kroeung

Down on the Tonlé Sap, where the lake feeds more freshwater fish per person to Cambodians than anywhere on earth feeds anyone, the default way to cook a fish is the oldest one: whole, over charcoal, until the skin blackens and the flesh steams moist inside its own scales. Trey ang is street food, festival food, and Sunday-lunch food all at once, and it hit its confident modern stride in the Sangkum years of the 1950s and 60s, when a settled, prosperous Cambodia turned riverside grilling into a genuine social ritual. The fish is deliberately plain — salt, a little lemongrass, smoke. All the noise is in the sauce and the wrapping, which is exactly how a lake-fed country that never wanted for fish learned to keep the eating interesting.

The two things that matter are the coals and the dip. Grill over steady embers rather than flame, leave the scales on so they char into a shell that protects the flesh, and turn the fish only when the skin lets go cleanly. Meanwhile pound teuk kroeung — prahok, peanuts, toasted rice powder, lemongrass, chilli, and lime beaten into a thick, funky, sour dip that could season a shoe and make it delicious. Then it all goes to the table at once: the charred fish, the loud sauce, a plate of raw vegetables and lettuce for wrapping. You peel the scale-shell away, tear off a piece, bundle it in a leaf with herbs, and drag it through the dip. Nobody plates it for you. That is the point.