Heck, Pringles isn’t even "made from potato" (even though it is) for tax purposes: Potato chips “give a sharply crunchy sensation under the tooth and have to be broken down into jagged pieces when chewed,” the Cincinnati-based company’s lawyers argued. “It is totally different with a Pringle, indeed a Pringle is designed to melt down on the tongue.”
Warren agreed. Pringles aren’t “made from the potato” for the purposes of the tax office’s exemption, he said. He didn’t say what Pringles are, other than that they’re tax-exempt.
Here is the complete article. This is the craziest thing I've ever heard of and I'm a CPA!!!!