Biscuit is a term used for a diverse variety of baked, commonly flour-based food products.
The term is applied to two distinct products in North America and the Commonwealth of Nations and Europe.
The North American biscuit is typically a soft, leavened quickbread and is not the same as that which is discussed here.
Sweet biscuits are commonly eaten as a snack food, and are, in general, made with wheat flour or oats.
They are then sweetened with sugar or honey.
Varieties may contain chocolate, fruit, jam, nuts, ginger or even be used to sandwich other fillings.
Biscuits today can be savoury or sweet, but most are small at around 5 cm (2.0 in) in diameter, and flat.
The term biscuit also applies to sandwich-type biscuits, wherein a layer of “creme” or icing is sandwiched between two biscuits, such as the custard cream, or a layer of jam (as in biscuits which, in the United Kingdom, are known as “Jammie Dodgers”). (source)
So can hamsters eat biscuits?
One or two small pieces of a biscuit is fine for them to eat. But on the whole, they are too sweet for them.