The most common and most likely answer to this crossword clue is the 8 plus 7 letter word CREATURE COMFORT
I've seen this crossword clue in Financial Times
C
R
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A
T
U
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E
C
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M
F
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More clues leading to the result CREATURE COMFORT
Buddy explains!

The straight part
We know that "This might be food" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case this might be food = creature comfort.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.