Garum dysentery, and ulcers, and to ease chronic diarrhea and treat constipation. Garum was even used as an ingredient in cosmetics and for removal of unwanted hair and freckles. The biological anthropologist Piers Mitchell suggests that garum may have helped spread fish tapeworms across Europe. Garum is believed to be the ancestor of the fermented anchovy sauce "colatura di alici", still produced in Campania, Italy. Worcestershire is a savory sauce based upon fermented anchovies and other ingredients. Ketchup, originally a savory fish sauce that did not contain either sugar or tomatoes, shared its origins, culinary functions and popularity with garum. Garum
Normande sauce Normande sauce Normande sauce, also referred to as Normandy sauce and sauce Normande, is a culinary sauce prepared with velouté, fish velouté or fish stock, cream, butter and egg yolk as primary ingredients. Some versions may be prepared using both fish velouté and fish stock. Some may be prepared simply using a velouté base and the addition of cream, which are cooked together. Cider or dry white wine may also be used as primary ingredients. Some versions may use mushrooms or mushroom ketchup in its preparation. Additional ingredients may include fish liquor (fish sauce), oyster liquor, mushroom liquor and lemon