When you go to your favorite restaurant, you always choose the same dish. It doesn't matter the time of year, time of day, cost of the dish, or what new items are on the menu. This dish would be a(n):
A "favorite dish" or a "go-to dish" is a dish which one has a strongpreference towards. Such a dish one is likely to choose regardless of new menu items, the time of year, or who they are dining with, etc.
