A Carrot Rainbow (with recipe)

By Janet Raloff, 15:51 PM April 15, 2008

Thanksgiving menus typically include root vegetables. Although some of those vegetables can be slightly exotic—from kohlrabi and rutabaga to ginger—many are familiar standbys, such as carrots. Long, fat, and orange, they make good snacks, add moisture to cakes, and sometimes serve as the nose on a snowman's face.

Orange was not the carrot's original tint, however. A native of western Asia, this cool-season member of the parsley family started out in various shades of white, yellow, and purple...

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