The most common and most likely answer to this crossword clue is the 6 plus 5 letter word BARLEY SUGAR
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More clues leading to the result BARLEY SUGAR
Buddy explains!

The straight part
We know that "type of sweet" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case type of sweet = barley sugar.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 BARLEY SUGAR mean?
BARLEY SUGAR noun- A traditional British boiled sweet, yellow or orange in colour, with an extract of barley added as flavouring.
- Very sweet; harmless.
- Twisted helically.