The problems with such home made treats is that they tend to either contain a lot of sugary binders or the ‘recipe’ calls for baking or somehow processing them, which then can make then unhealthy and unsuitable.
Piggies must not eat any food which has been frozen or cooked
Good, healthy and recommended treats are things such as fresh herbs or a dried forage.
There is a UK company run by a member of this forum selling only safe dried forages which come highly recommended on this forum.
If you could add a country to your profile, then it can help us tailor any advice or any product recommendations appropriately, without compromising your online safety. If you don’t wish to do that, then that is fine but do be aware all our advice on any aspect of piggy keeping will be based on UK circumstances.