Soup is a liquid food that is served warm usually although may be served cold or cool.
It is made by combining ingredients such as meat and vegetables with juice, stock, water or some other liquid. Hot soups usually have ingredients added to them to extract flavour.
It is either made at home or soups can be purchased at grocery stores or supermarkets in various flavours and forms.
image wikipedia
So can rabbits eat soup at all?
Unfortunately, they cant eat soup at all. They are unable to eat cooked food at all especially liquid foods. They just cannot handle them at all.
So it is better not to feed them soup at all.