The most common and most likely answer to this crossword clue is the 7 letter word BESTREW
I've seen this crossword clue in Independent
B
E
S
T
R
E
W
More clues leading to the result BESTREW
Buddy explains!

The straight part
We know that "pepper" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pepper = bestrew.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 BESTREW mean?
BESTREW verb- To strew or scatter about; throw or drop here and there.
- To strew anything upon; strew over or about; cover or partially cover with things strewn; cover with straw or strewing.