Spam I distributed to make thick application (7)

I believe the answer is:

impasto

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'thick application' is the definition.
'impasto' can be an answer for 'application' (I have seen 'application of paint' mean 'impasto' so perhaps 'application' could also mean 'impasto'). I am not certain of the 'thick' bit.

'spam i distributed to' is the wordplay.
'distributed' is an anagram indicator.
'spam'+'i'='spami'
'spami' anagrammed gives 'impas'.
'impas'+'to'='IMPASTO'

'make' is the link.

Can you help me to learn more?

(Other definitions for impasto that I've seen before include "Style of painting" , "Technique of applying paint thickly" , "artist's application" , "Sort of paint" , "Thick coat required" .)

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

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