What does the cryptic crossword clue "... relating to which romantics go crazy (11)" mean?

The wordplay uses an anagram. anagram of ROMANTICSGO ("romantics go") [anagram: "... relating"] = GASTRONOMIC The answer is GASTRONOMIC.

... relating to which romantics go crazy (11)

Times Cryptic #29085 | 22 Across | 2024-11-27 flower