The most common and most likely answer to this crossword clue is the 7 letter word NOGGINS
N
O
G
G
I
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S
More clues leading to the result NOGGINS
Buddy explains!

The straight part
We know that "beans" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beans = noggins.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 NOGGINS mean?
NOGGINS noun- A small mug, cup or ladle.
- (obsolete outside dialectal) A small measure of spirits equivalent to a gill.
- The head.
- A signalling molecule involved in embryo development, producing large heads at high concentrations.
- A horizontal beam used in the construction of a building, especially to strengthen upright posts.
- Rough brick masonry used to fill open spaces.