Adobo

Filipino, but the technique pre-dates the Spanish colonization (1565-1898) — Filipinos were already preserving meat in vinegar before the Spanish gave the dish its current name ("adobo" is Spanish for marinade/seasoning). The combination of soy sauce came from Chinese trade — soy sauce had reached the islands with Chinese merchants by around the 9th century and become common; the earliest adobo had no soy sauce at all, and the soy-and-vinegar base formed later. Every Filipino family has its own adobo ratio; the dish is the country's most-claimed national dish, although there's no official designation.

A dish that marries the tang of vinegar with the umami of soy, Adobo is the heart of Filipino comfort food.

Chicken or pork pieces glazed dark mahogany, in a tablespoon of reduced sauce — equal parts soy and vinegar with bay leaves, peppercorn, garlic. Vinegar's edge has cooked off into roundness; what's left is salty-sour-savory with the meat fall-apart tender. Over white rice — the rice does half the work; adobo without rice is just protein.

The vinegar is preservation in disguise. Pre-refrigeration, an adobo would keep two weeks unrefrigerated in tropical heat — the acetic acid kills bacteria, the soy salt cures the meat, slow cooking renders the fat into the sauce. Filipino cooks know that adobo tastes better the next day because the flavors keep developing in the acidic environment. Reheated three times, it's at peak — by which point the sauce has reduced to almost nothing and is so concentrated it's used as condiment.