Peppermints, carrots or apples
Many horses love peppermints. Just make sure not to feed them too many.
it depends how small the pieces are if they are regular sized peppermints then they are fine
Horses don't eat tree, they eat grass, carrots, peppermints, and apples! No horses allowed in the world to eat tree, that could kill 'em!- John Adams of Nevada
Horses enjoy sweets, especially peppermints. Look at the ingredients and make sure there is nothing harmful in them. Peppermint is not harmful if fed just a little at a time. Sweets are bad for your teeth and your horse's teeth. Your horse will probably like the taste, but the chewiness may confuse him at first.
Cravings for peppermints may be due to the refreshing and invigorating flavor of mint. Some people also find that the strong taste of peppermints can help alleviate nausea or improve digestion. Additionally, the act of sucking on a mint can provide temporary relief for dry mouth or bad breath.
Pizza is not bad for horses, however, there are much cheaper ways of feeding horses.
Horses should keep away from Bad Carrots.
No, walnuts are bad for horses and can kill them if the horses eat them.
peppermints
of course they are there sweet and sugary
Horses typically prefer grass and hay, but also like to eat fruits like apples, bananas, grapefruit and more. For Vegetables they tend to like carrots, celery, beets. As for treats you can give them horse cookies. Peppermints are really advised as they contain too much sugar.