Duck found in chopped up mince - the contents of a packet (6)
I believe the answer is:
income
'the contents of a packet' is the definition.
I can't judge whether this defines the answer.
'duck found in chopped up mince' is the wordplay.
'duck' becomes 'o'.
'found in' means one lot of letters goes inside another.
'chopped up' is an anagram indicator.
'mince' anagrammed gives 'incme'.
'o' put into 'incme' is 'INCOME'.
Can you help me to learn more?
(Other definitions for income that I've seen before include "Money gained from work or investment" , "Pay earned" , "Money received as wages, interest etc" , "Returns" , "Money received on which tax is payable" .)