The most common and most likely answer to this crossword clue is the 3 plus 5 letter word EYE CANDY
I've seen this crossword clue in The Times
E
Y
E
C
A
N
D
Y
More clues leading to the result EYE CANDY
- Announced I am able to deploy extremely pretty girl
- Entrance on horse? It’s a pleasure to see
- One’s found stunning spot — at city’s limits?
- Stare at both sides of chewy dish?
- Beautiful people in centre of storm encountering limits of celebrity
- I proclaimed borders of country a beautiful sight
- I heard vacuous Cathy’s a good-looker!
- At lecture I seea vision of loveliness
- It’s nice to see president and disgraced royal in conversation
- Vacuous Adonis I heard gets caught with youth initially
Buddy explains!

The straight part
We know that "dish" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dish = eye candy.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.