The most common and most likely answer to this crossword clue is the 3 plus 4 letter word HOT DOGS
I've seen this crossword clue in The Daily Telegraph
H
O
T
D
O
G
S
More clues leading to the result HOT DOGS
Buddy explains!
The straight part
We know that "food" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case food = hot dogs.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.
What does HOT DOGS mean?
HOT DOGS noun- A sandwich consisting of a frankfurter, or wiener, in a bread roll, usually served with ketchup, mustard, relish, etc.
- A sausage of the type used as a general ingredient in this sandwich.
- A show-off or daredevil, especially in such sports as surfing, skateboarding, or skiing.
- A battered, deep-fried sausage or saveloy on a stick.
- The penis.
- A sexually suggestive physical gesture involving hip movement.