Secret ingredient

Notable secret ingredients

• Glutamate, an amino acid and flavor enhancer, often used in Chinese dishes.
• Merchandise 7X, the "secret ingredient" or "secret formula" in Coca-Cola. The ingredient has remained a secret since its invention in 1886 by John Pemberton. The description of the ingredient is kept in a vault at the Trust Co. Bank in Atlanta.
• KFC's "Colonel's secret recipe", created by Colonel Sanders in the 1930s. The recipe, which is advertised as containing "eleven herbs and spices", remains locked in a vault in Louisville, Kentucky.
• Special sauce, thought by some to be the variant of Thousand Island dressing used in the preparation of a McDonald's Big Mac hamburger.^:23 According to Sarah J. Gim of The Huffington Post, the special sauce is thicker, sweeter and has a "slightly different taste". The ingredients for the special sauce are available on McDonald's website. McDonald's decided to not only reveal the ingredients of the special sauce, but also the method used to make it.
• Frank's Red Hot, claimed to be the secret ingredient in the "first" Buffalo wing sauce.
• The "theme ingredient" on the original series Iron Chef is called the "secret ingredient" on the successor series Iron Chef America.
• Barr's Irn-Bru secret recipe created by Robert Barr in 1901. Irn Bru is a slightly citric drink.
• Worcestershire sauce, a fermented sauce used as a marinade and sauce for many dishes, and occasionally used in savory cocktails.
• Chartreuse liqueur, a green or yellow alcoholic drink made by the monks at a monastery in France. The secret of the 130 herbs used in its preparation is known to possibly as few as three monks.
• Becherovka, Czech traditional herbal liqueur. The liqueur is based on a blend of different herbs, known only to two current and three former employees of the distillery. All of them had to commit to secrecy until their death.