The most common and most likely answer to this crossword clue is the 9 letter word CIGARILLO
C
I
G
A
R
I
L
L
O
More clues leading to the result CIGARILLO
- Cooking oil with garlic creates a little smoke
- Garlic oil’s cooked, producing a little smoke
- Frazzled garlic oil can produce a little smoke
- Crushed garlic oil can be smoked
- Poisonous gas enveloping one, cooker filled with a little smoke
- Blend of garlic oil used in smoking?
- Thin smoke arising from garlic oil processing
Buddy explains!

The straight part
We know that "Thin smoke/processing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case thin smoke/processing = cigarillo.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 CIGARILLO mean?
CIGARILLO noun- A thin cigar, differing from a cigarette in being wrapped with tobacco leaves rather than paper.