The most common and most likely answer to this crossword clue is the 5 plus 5 letter word ICING SUGAR
I've seen this crossword clue in The Times
I
C
I
N
G
S
U
G
A
R
More clues leading to the result ICING SUGAR
- One gun’s shot in smoke, producing white powder
- Fine white powder causing rig to collapse
- Topping causing rig to collapse
- Initially cook is arguing about cake ingredient
- Jerk arguing, is inhaling cocaine – a white powder
- I’m heard to intone flattery — it’s sweet
- Using garlic in a stew, left out sweet powder
Buddy explains!
The straight part
We know that "white powder" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case white powder = icing 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.