The most common and most likely answer to this crossword clue is the 5 letter word TUMMY
I've seen this crossword clue in Independent
T
U
M
M
Y
More clues leading to the result TUMMY
Buddy explains!

The straight part
We know that "breadbasket" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case breadbasket = tummy.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 TUMMY mean?
TUMMY noun- (often childish) Stomach or belly.
- Protruding belly, paunch.