Chartreuse (liqueur) processes and the same secret formula as the traditional liqueur, and by extra long aging in oak casks it reaches an exceptional quality. Chartreuse VEP comes in both yellow and green. Élixir Végétal de la Grande-Chartreuse (138 proof or 69% – also 142 proof or 71%) has the same base of about 130 medicinal and aromatic plants and flowers but is more alcoholic. It can be described as a cordial or a liqueur, and is claimed to be a tonic. Sold in small wood-covered bottles. Liqueur du 9° Centenaire (47%) was created in 1984 to commemorate the 900 year anniversary
Chocolate liqueur as a subspecies of chocolate liquor. Chocolate liqueur can be consumed straight, as an after dinner drink rather than as aperitif. It is used in mixed drinks and in desserts, especially in dessert sauces, cakes, and truffles. A food writer notes that many recipes for chocolate truffle add a small amount of chocolate liqueur to melted chocolate, and warns that adding the liqueur often causes the chocolate to seize. One of the more unusual uses is in chocolate rolled fondant. Arguably the most controversial use may be in connection with a scandal concerning the provenance of certain 17th century bottles