A meatball is ground or minced meat rolled into a small ball, sometimes along with other ingredients.
These ingredients includes bread crumbs, minced onion,eggs, butter and seasoning.
There are many ways of cooking meatballs but they are normally cooked by frying, baking, steaming, or braising in sauce.
They are used in many different culinary dishes around the world.
Meatballs are served in many different ways and extremely popular as an ingredient and as a food in their own right. (source)
So can hamsters eat meatballs?
Yes they can as long as they haven’t been flavored with anything and not fried. Feed in small amounts in moderation.