The most common and most likely answer to this crossword clue is the 7 plus 6 letter word COTTAGE CHEESE
C
O
T
T
A
G
E
C
H
E
E
S
E
Buddy explains!
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.