The most common and most likely answer to this crossword clue is the 7 plus 5 letter word DESSERT SPOON
I've seen this crossword clue in The Guardian
D
E
S
S
E
R
T
S
P
O
O
N
More clues leading to the result DESSERT SPOON
Buddy explains!
The straight part
We know that "It’s best suited for a later course" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s best suited for a later course = dessert spoon.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.