The most common and most likely answer to this crossword clue is the 7 letter word SAFFRON
I've seen this crossword clue in The Guardian
S
A
F
F
R
O
N
More clues leading to the result SAFFRON
- Stigmas arising from small insult, mainly
- Orange-yellow salve initially applied to slight cut
- Son with slight temperature avoids food colouring
- Short skirt that’s taken in very loud yellow
- New fans for spice
- Stick tip of tongue out and run about, being yellow
- Stigmas and timeless indignity attached to homelessness, ultimately
- Small, almost slight, having orange colouring
- Second slight reduction in expensive flavouring
- Colour’s very loud in most of Asian dress with no back
Buddy explains!

The straight part
We know that "expensive flavouring" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case expensive flavouring = saffron.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 SAFFRON mean?
SAFFRON noun- The plant Crocus sativus, a crocus.
- A spice (seasoning) and colouring agent made from the stigma and part of the style of the plant, sometimes or formerly also used as a dye and insect repellent.
- An orange-yellow colour, the colour of a lion's pelt.
- To add saffron to (a food), for taste, colour etc.
- To give a saffron colour to (something).
- To embellish.
- Having an orange-yellow colour.