Sweet chervil is a popular herb that's often used in cooking for its delicate, sweet flavour. It's also known by a number of other names, such as French parsley, garden chervil, and cicely. Other popular synonyms for this herb include anise chervil, myrrh chervil, and Roman parsley. Some people may also refer to sweet chervil as cow parsley, though this can be confused with another plant of the same name. Sweet chervil is used in a variety of recipes, adding a subtle sweetness to dishes like soups, stews, and salads. It's also a popular ingredient in French cuisine, particularly in dishes like omelettes and chicken fricassee.