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Taste: These have a mild bacon taste, on sort of a styrofoam-like chip. They're colored like bacon, but they don't really have the consistency of bacon. Not as salty as bacon should be. They leave some powdery residue on your hand (but not a lot). If you're in England and can get either these or Smiths Bacon Flavour Fries, I'd definitely go with Smiths.
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Aroma: These have a smoky bacon smell. Pretty good.