The most common and most likely answer to this crossword clue is the 8 plus 7 letter word BRUSSELS SPROUTS
B
R
U
S
S
E
L
S
S
P
R
O
U
T
S
More clues leading to the result BRUSSELS SPROUTS
- Greens right to interrupt EU talks?
- Greens at outset backing new surplus stores, first of series
- Chap wearing motley sports blues and greens
- European Parliament talks at length about right vegetables
- Vegetables — stores surplus supply in empty boxes
- Perhaps fare at Christmas, as EU delegates here, shoots up
- Vegetable from a capital with a river in the midst of geysers
Buddy explains!
The straight part
We know that "Vegetable" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case vegetable = brussels sprouts.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.