I have always been a fan of Lay's Plain Potato Chips.
No matter how many crazy flavors they come out with ("Biscuits 'n' Gravy" is a meal, not a flavor for a potato chip!), you'll always find me reaching for the originals.
I'm also developing a taste for Kettle Cooked (I used to only like the thin-cut), and I've always had hankering for Pringles (the original plain flavor, of course.
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For some reason I've never been a fan of Doritos... all that powdered flavoring covering the chip... Yuck. I'd rather just have clean-flavored, plain old tortilla chips (with plenty of salt!)
Heart attack optional.