Small gift that could be appealing (9)

I believe the answer is:

lagniappe

I'm a little stuck... Click here to teach me more about this clue!

'small gift' is the definition.
'lagniappe' can be an answer for 'gift' (lagniappe is a kind of gift). I'm unsure of the 'small' bit.

'could be appealing' is the wordplay.
'could be' indicates an anagram.
'appealing' is an anagram of 'LAGNIAPPE'.

'that' acts as a link.

Can you help me to learn more?

(Other definitions for lagniappe that I've seen before include "present" , "tip" , "small donation" , "Gratuity" .)

I've seen this clue in The Telegraph.

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