Chartreuse (liqueur) was not a secret but well known. At the death of the pharmacist, his heirs returned the manuscript to the monks who had been back at the Monastery since 1816. In 1838, they developed Yellow Chartreuse, a sweeter version of the Green Chartreuse, 40% alcohol liqueur (80° proof). The monks were again expelled from the monastery following a French law in 1903, and their real property, including the distillery, was confiscated by the government. The monks took their secret recipe to their refuge in Tarragona, Catalonia, and began producing their liqueurs with the same label, but with an additional label
Amaro (liqueur) Amaro (liqueur) Amaro (Italian for "bitter") is an Italian herbal liqueur that is commonly consumed as an after-dinner digestif. It usually has a bitter-sweet flavour, sometimes syrupy, and has an alcohol content between 16% and 40%. Similar liqueurs have traditionally been produced throughout Europe. There are local varieties in Germany (where they are called "Kräuterlikör"), in Hungary, the Netherlands, and France. But the term "amaro" is applied only to Italian products of this kind. Amaro is typically produced by macerating herbs, roots, flowers, bark, and/or citrus peels in alcohol, either neutral spirits or wine, mixing the filtrate with sugar syrup,