After exercise, an enthusiast’s common snack item (6)

I believe the answer is:

peanut

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'common snack item' is the definition.
'peanut' can be an answer for 'item' (I have seen 'Item of fruit' mean 'peanut' so perhaps 'item' could also mean 'peanut'). I am unsure of the 'common snack' bit.

'after exercise an enthusiast's' is the wordplay.
'after' means one lot of letters go next to another.
'exercise' becomes 'pe' (Physical Education).
'an' becomes 'a'.
'enthusiast' becomes 'nut' (nut can mean an enthusiast or fan).
'pe'+'a' is 'pea'.
'pea'+'nut'='PEANUT'

Can you help me to learn more?

(Other definitions for peanut that I've seen before include "Edible seed of a leguminous plant" , "little bit of food" , "Salted or dry roasted item" , "Ante up for the popular kernel" , "(Plant with) edible underground seed" .)

I've seen this clue in The Times.

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