Nanjing Salted Duck: Precision Dry-Brining and Sub-Boiling Enzymatic Tenderization

Boasting a two-millennium legacy, Nanjing Salted Duck is an iconic monument to minimalist preservation and endogenous enzyme tenderization. Departing from high-heat roasting, this masterpiece uses hot, spice-toasted sea salt aggressively rubbed over a plump duck, creating an osmotic vacuum that expels gamey moisture. The bird is then submerged in an ancient, highly concentrated wet brine master liquor (Lao Lu) for four hours, triggering internal proteolysis where natural enzymes break down tough connective tissues into flavor-rich amino acids. After a 24-hour wind-drying stage, the duck undergoes a gentle, sub-boiling poach at exactly 85 to 90 degrees Celsius, ensuring fats do not boil out and leaving the rosy-pink meat incredibly succulent and aromatic.