Shortbread is a kind of cookie or biscuit.
By weight it is traditionally made by 3 parts flour, 2 parts butter and 1 part white sugar.
The texture of shortbread can be altered by using cornflour or ground rice instead of the regular plain white (wheat) flour.
It is also popular in modern recipes to change up the recipe a bit and go away from the traditional three ingredient recipe.
So can hamsters eat shortbread?
No, they cannot eat shortbread as it contains too much sugar for their bodies to handle.
It would be much better for a hamster to eat a plain biscuit that is low in sugar.