The provided source passages contain no information whatsoever about leeks. Aajonus Vonderplanitz does not mention leeks in any of the seminar transcripts, workshop recordings, question-and-answer documents, recipe books, or early training materials included in these source passages.

The passages do contain discussion of onions (specifically red onions and yellow onions, eaten raw in relation to tapeworm expulsion), and there are brief mentions of other allium-family or vegetable-adjacent topics, but leeks are not named, described, discussed, or referenced in any capacity in any of the provided source material.

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