The most common and most likely answer to this crossword clue is the 13 letter word PREDILECTIONS
I've seen this crossword clue in Financial Times
P
R
E
D
I
L
E
C
T
I
O
N
S
Buddy explains!

The straight part
We know that "tastes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tastes = predilections.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 PREDILECTIONS mean?
PREDILECTIONS noun- Condition of favoring or liking; tendency towards; proclivity; predisposition.