The food item you are referring to is a “white wine sauce.” This is a type of sauce that is made using white wine as one of the primary ingredients. There are many variations of white wine sauce, but it is typically made by reducing white wine with other ingredients, such as butter, cream, or shallots, to create a flavorful and creamy sauce. White wine sauce is a versatile condiment that can be used with a variety of dishes, including fish, chicken, pasta, and vegetables. It is a popular sauce in French and Italian cuisine, among others.