The purple yam, a staple and rising export from the Philippines, is a feast for the eyes when used in cakes, pies, drinks or ice cream. Correspondent Elaine Quijano checks out the ube, the vivid violet tuber that's taking root in America.
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The purple yam, a staple and rising export from the Philippines, is a feast for the eyes when used in cakes, pies, drinks or ice cream. Correspondent Elaine Quijano checks out the ube, the vivid violet tuber that's taking root in America.