The most common and most likely answer to this crossword clue is the 9 plus 6 letter word CHOCOLATE MOUSSE
I've seen this crossword clue in The Times
C
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More clues leading to the result CHOCOLATE MOUSSE
- It’s terrible, see, cola’s much too sweet
- He’s a cool customer, almost ridiculously sweet
- Reddy-brown deer reported in oily sea foam
- Such ales come too refined and sweet
- Mix hot sauce with some nearly cold bananas for dessert
- Lose case — too much worried by example of 9
- Cool teahouses often come prepared for dessert
- Sweet to see so much dancing, pop joining in
- Sweet sauce, almost cold, with some hot bananas
Buddy explains!
The straight part
We know that "sweet" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sweet = chocolate mousse.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.