Knot-shaped snack (7)

I believe the answer is:

pretzel

(Other definitions for pretzel that I've seen before include "Curly savoury snack" , "Knotted crisp biscuit" , "Curly savoury biscuit" , "Knot-shaped cracker" , "Twisted biscuit" .)

I've seen this clue in the Sydney Morning Herald.

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