Jain Potatoes
Jainism is an ancient religion from Indian. One of its three main principles is ahimsa, or non-violence.
In practice, this extends to influence Jain diets, which are not only strictly vegetarian, but can also exclude certain vegetables:
Strict Jains, including monastics, do not eat root vegetables such as potatoes, onions and garlic because tiny organisms are injured when the plant is pulled up and because a bulb or tuber’s ability to sprout is seen as characteristic of a living being.
SOURCE:
Was eating a tuber-heavy dinner at Forbidden Root when my fiancee was like “isn’t there a religion that doesn’t eat potatoes?”