Pizza is a flatbread generally topped with tomato sauce and cheese and baked in an oven.
Pizza is sold fresh or frozen, either whole or in portions, and is a common fast food item in North America and the United Kingdom.
It is commonly topped with a selection of meats, vegetables and condiments.
Various types of ovens are used to cook them and many varieties exist.
Several similar dishes are prepared from ingredients commonly used in pizza preparation, such as calzone and stromboli. (source)
So can hamsters eat pizza?
They can have a nibble of it but it isn’t a food that should be fed a lot to hamsters.