Lemon liqueur proof neutral spirits to extract from it the lemon oil (an essential oil). The extraction is then diluted with simple syrup. Different varieties of lemon are used to produce different flavors. The variety of lemon used is usually dictated by region. Various alcohols can be used to give distinct flavors. A higher proof alcohol maximizes extraction of the lemon flavor, whereas darker alcohols add complexity of flavor. Many commercial brands of lemon liqueur are produced in Italy, in several styles (see Italian liqueur). In Italy, especially in Campania, lemon liqueur is consumed as a chaser ("ammazzacaffè") to coffee. Lemon liqueur
Chocolate liqueur of wines said to have belonged to Thomas Jefferson, and traded by Hardy Rodenstock. Benjamin Wallace writes in his book "The Billionaire's Vinegar" that at a wine tasting of 19th century wines from Château Latour, provided by Rodenstock, several people noted the wines had a flavor of chocolate liqueur and were fakes. Wine and chocolate are a classic flavor pairing, and this is reflected in some cocktails that combine a strong red wine with a dash of chocolate liqueur. There are three types of chocolate liqueur: liqueur, cream liqueur, and crème de cacao. Crème de cacao may be either clear