The Rosette de Lyon is France’s most prestigious dry-cured sausage—a large, slow-aged salami of pure pork that takes its name from the rosette-shaped cross-section created by tying the sausage casing at regular intervals during drying. The preparation begins with a carefully balanced mixture of lean pork shoulder (75%) and firm back fat (25%), both from heavy, mature pigs—the fat must be firm and white, never soft or yellowish, as it determines the sausage’s slicing quality and flavour. The meat is coarsely ground (8mm plate), seasoned with 28g salt per kilo (higher than most saucissons, to support the extended ageing), black pepper, and a small amount of garlic. The seasoned mixture is cased in a large natural casing (fuseau or rosette—the cecum of the pig, approximately 40-50cm long and 10cm in diameter) and tied at 5cm intervals with butcher’s twine, creating the characteristic bulging segments that give each cross-section its rosette appearance. The critical phase is the drying: the sausages are hung in temperature and humidity-controlled cellars (12-14°C, 75-80% humidity) for a minimum of 6 weeks, during which the sausage loses 30-35% of its weight through evaporation. The beneficial moulds (Penicillium) that develop on the casing during this period contribute to the complex, nutty, slightly funky flavour that distinguishes a properly aged Rosette from a merely dried sausage. A perfect Rosette de Lyon, sliced thinly on the bias, should present a rosy-pink interior with distinct white fat cubes distributed evenly, a firm but not hard texture, and a flavour that is clean, porky, and nutty with a lingering peppered finish.
Use 75:25 lean-to-fat ratio from mature, heavy pigs for optimal flavour and texture. Grind coarsely (8mm) to preserve the visible fat-lean distinction in the slice. Case in the natural rosette (cecum) and tie at regular intervals for the signature shape. Dry at 12-14°C and 75-80% humidity for minimum 6 weeks. Slice thinly on the bias for the most attractive cross-section.
The best Rosettes are made from the pork breeds of the Beaujolais (Duroc crosses), whose firm, flavourful fat is ideal for long ageing. Seek out artisanal producers at Lyon’s Les Halles de Paul Bocuse or the Saturday market at the Quai Saint-Antoine—industrial Rosettes are pale imitations. When buying whole, feel the sausage: a proper Rosette should be firm but yield slightly to pressure, never rock-hard (over-dried) or soft (under-dried). Serve sliced thin with butter and cornichons as a course in itself—the Lyonnais treatment that lets the sausage’s quality speak.
Using too-lean a mixture, which produces a dry, crumbly sausage. Grinding too finely, losing the visible marbling that defines the rosette’s cross-section. Drying too quickly at low humidity, which creates a hard exterior case (croûtage) while the interior remains moist and potentially spoils. Using artificial casings, which don’t breathe properly for even drying. Slicing too thick—rosette should be 2-3mm, thin enough to be slightly translucent.
Charcuterie Lyonnaise — Joseph Favre