Spicy sausage from New Delhi used jalapeno alternative, originally (5)

I believe the answer is:

nduja

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'spicy sausage' is the definition.
I know nothing about this answer so I can't tell whether it can be defined by this definition.

'new delhi used jalapeno alternative originally' is the wordplay.
'new' becomes 'n' (common abbreviation eg NT for New Testament).
'originally' says to take the initial letters.
The first letters of 'delhi used jalapeno alternative' is 'duja'.
'n'+'duja'='NDUJA'

'from' acts as a link.

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