You can also purchase dehydrated and frozen mashed potatoes in grocery stores and supermarket.
There are different varieties of mashed potatoes although waxy potatoes are often used for a different texture. Vegetable oil, milk, butter and cream are often added to give them more flavor and texture and then seasoned with spices, herbs, salt and pepper.
There are other seasonings and ingredients such as bacon, sour cream, cheese, garlic and others.
So can hamsters eat mashed potatoes?
No they can’t unfortunately. Mashed potato will make them sick and it is a food for hamsters to avoid.