Some basic ingredients for sugary preparation (5)

I believe the answer is:

icing

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'preparation' is the definition.
(I know that icing is a type of glaze)

'some basic ingredients for' is the wordplay.
'some' indicates a hidden word (some parts of the word are used).
'ICING' is hidden in the letters of 'basic ingredients for'.

'sugary' is the link.
I am not very happy about this link. It may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for icing that I've seen before include "Top cake layer" , "Frosty coating" , "Deposit" , "The sweetest part of the cake" , "Topcoat" .)

I've seen this clue in The Independent.

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