The most common and most likely answer to this crossword clue is the 5 plus 7 letter word SPENE (NEEPS)
S
P
E
N
E
(
N
E
E
P
S
)
Buddy explains!
The straight part
We know that "Something for Burns Night" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case something for burns night = spene (neeps).The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.