Flipping pasta sauces: dear! (5)

I believe the answer is:

sugar

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'dear' is the definition.
(term of affection when addressing a person)

I can't explain the rest of the clue.

(Other definitions for sugar that I've seen before include "Sweeten" , "Plantation product" , "Sweet white substance" , "Sweetening agent" , "See 11" .)

I've seen this clue in The Times.

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