The most common and most likely answer to this crossword clue is the 7 letter word SEAKALE
S
E
A
K
A
L
E
Buddy explains!
The straight part
We know that "food by the coast" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case food by the coast = seakale.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 SEAKALE mean?
SEAKALE noun- Crambe maritima, a halophytic perennial plant that grows wild along the coasts of Europe.