The vinegar sauce of Eastern North Carolina — white vinegar, salt, black pepper, and red pepper flakes — is the oldest barbecue sauce in America and the most minimalist. It is not a sauce in the sense that Kansas City sauce is a sauce (thick, sweet, tomato-based, meant to coat). It is a seasoning — thin as water, sharp as a blade, designed to cut through the richness of smoked pork fat and amplify the meat's own flavour. The sauce exists because whole hog barbecue is so rich that it needs acid to balance. The vinegar provides that acid. Everything else in the bottle is pepper and salt. The tradition is at least 200 years old and has not changed because it does not need to change.
A thin, clear-to-pale-red liquid: white or cider vinegar as the base (90%+), salt, coarsely ground black pepper, and red pepper flakes (or cayenne). Some versions add a small amount of sugar (a teaspoon per cup of vinegar — barely detectable, just enough to soften the vinegar's sharpness). The sauce should sting the tongue with acid, warm the throat with pepper, and then disappear, leaving the pork's smoke and fat to do the talking. It is applied by the ladle to chopped or pulled pork, or splashed from a bottle at the table.
On chopped or pulled pork. On the pork sandwich. Splashed on coleslaw. On collard greens. The sauce's role is acid — it goes wherever fat needs cutting.
1) Vinegar is the sauce. There is no tomato, no mustard, no molasses. The sauce is transparent to the meat — you taste the pork, not the sauce. 2) The balance: enough salt to season, enough pepper to warm, enough acid to cut. Nothing else. The simplicity is the discipline. 3) Make it ahead — the pepper flavours infuse into the vinegar over 24-48 hours. Fresh sauce is sharp and one-note; rested sauce is integrated. 4) Apply generously — the sauce is thin and penetrates the meat. A light splash doesn't do the work; the chopped pork should be noticeably moist with vinegar when served.
The Eastern vs. Lexington (Piedmont) divide: Eastern NC uses no tomato; Lexington (western Piedmont) adds a splash of ketchup or tomato, producing a slightly redder, slightly sweeter sauce. The divide runs roughly along I-85. East of the line: vinegar only. West of the line: vinegar with tomato. The argument is identity, not quality. Pepper vinegar — the same sauce principle applied to the table: hot peppers (cayenne, tabasco, sport peppers) steeped in vinegar, the bottle on every Southern table. The technique is the same; the intensity is higher.
Adding tomato or ketchup — this makes it Piedmont/Lexington-style sauce, not Eastern NC. Different tradition, different geography. Using balsamic or wine vinegar — too complex, too sweet. White vinegar or cider vinegar only. Reducing it — the sauce is thin by design. Thick vinegar sauce is an oxymoron.
John Shelton Reed & Dale Volberg Reed — Holy Smoke; Rodney Scott — Rodney Scott's World of BBQ