The most common and most likely answer to this crossword clue is the 7 letter word BISCUIT
I've seen this crossword clue in Financial Times
B
I
S
C
U
I
T
More clues leading to the result BISCUIT
- Book is one that’s got abridged about one of the Bourbons?
- Cub: it is desperate for something to eat
- Bishop is with cross, having consumed one wafer?
- P for one is copper in part
- Light brown unglazed pot
- Italy taken in by dreadful Cubist, Florentine perhaps
- Eccentric Cubist framing one squashed fly?
- Is copper tucking into portion that can be eaten?
- Perhaps snap that is taken objectionably
- Is copper in part of bridle coming to snap?
Buddy explains!

The straight part
We know that "P" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case p = biscuit.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 BISCUIT mean?
BISCUIT noun- (rare in the US) A small, flat, baked good which is either hard and crisp or else soft but firm: a cookie.
- A small, usually soft and flaky bread, generally made with baking soda, which is similar in texture to a scone but which is usually not sweet.
- A cracker.
- The "bread" formerly supplied to naval ships, which was made with very little water, kneaded into flat cakes and slowly baked, and which often became infested with weevils.
- A form of unglazed earthenware.
- A light brown colour.
- A thin oval wafer of wood or other material inserted into mating slots on pieces of material to be joined to provide gluing surface and strength in shear.
- A plastic card bearing the codes for authorizing a nuclear attack.
- (hiphop) A handgun, especially a revolver.
- (shuffleboard) A puck (hockey puck).