Taste the Goose Liver burger in McDonald’s! Are you eager to taste some Hungarian goose liver while in Budapest? You don’t have to run to a gourmet restaurant and spend lots of money. Instead, you can simply visit a local McDonald’s restaurant and order a new burger, the Goosey Gustav burger. It is important to know that the Goosey Gustav burger is a temporary burger, meaning that it cannot be found on the permanent menu. As a result, you will…