Here is a list of the top seven most sour vegetables as determined by users of the Internet. Feel free to vote for these or other vegetables by clicking the button below.
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Egg Plant is voted the first most sour vegetables with 387 votes.
Potato is voted the second most sour vegetables with 349 votes.
Onion is voted the third most sour vegetables with 317 votes.
Hubbard Squash is voted the fourth most sour vegetables with 308 votes.
Green Beans is voted the fifth most sour vegetables with 306 votes.
Sweet Potato is voted the sixth most sour vegetables with 302 votes.
Garlic is voted the seventh most sour vegetables with 296 votes.