Marron glacé of 'glazing'), may have been created only in the 16th century. Lyon and Cuneo dispute the title for the addition of the glazing, or icing, that makes the real "marron glacé". The earliest known records of a recipe for marron glacés were written during the XVI century by an Italian cook that worked for Charles Emmanuel I, Duke of Savoy [1580], and by the French at the end of 17th century in Louis XIV's Versailles court. In 1667, François Pierre La Varenne, ten years' chef de cuisine to Nicolas Chalon du Blé, Marquis of Uxelles (near Lyon and a chestnut-producing
Marron glacé all the way through the fruit; this makes them too fragile for the necessary manipulations during the cooking process. There also are other grooves on the surface, which means more embedded pellicle that must be painstakingly removed. "Marron"-quality nuts do not have the separation into two cotyledons; it appears in one piece and it shows few very shallow grooves. In Italy, the term "marron" denotes a specific high-quality cultivar of "Castanea sativa" bearing oblong fruits with a shiny, reddish epicarp and often exhibiting a small rectangular hilar scar. As with the French use of the term, there should be no