What does the cryptic crossword clue "Cook over a new set of heat-resistant dishes (8)" mean?

The definition is "dishes". The wordplay uses an anagram. anagram of OVER + A + NEW = OVENWARE; definition: "dishes" The answer is OVENWARE.

Cook over a new set of heat-resistant dishes (8)

Daily Mail Cryptic #17403 | 29 Across | 2024-07-17 flower