Reddish stalks cooked and sweetened (7)

I believe the answer is:

rhubarb

(Other definitions for rhubarb that I've seen before include "Noise of actors simulating conversation" , "Nonsense; plant with edible leaf stalks" , "Word repeated by actors to simulate conversation" , "muttered by 4 [EXTRAS] ?" , "Low-level racket" .)

I've seen this clue in the Irish Times (Simplex) and The Irish Times.

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