Fans of the sauce really tucking into sauces (6)

I believe the answer is:

dipsos

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'fans of the sauce' is the definition.
The definition suggests a plural noun which matches the answer.

'really tucking into sauces' is the wordplay.
'really' becomes 'so' (both can mean 'extremely').
'tucking into' means one lot of letters goes inside another.
'sauces' becomes 'dips'.
'so' inserted into 'dips' is 'DIPSOS'.

Can you help me to learn more?

I've seen this clue in The Guardian.

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