The most common and most likely answer to this crossword clue is the 7 letter word ALMONDS
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Buddy explains!

The straight part
We know that "nuts" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nuts = almonds.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 ALMONDS mean?
ALMONDS noun- A type of tree nut.
- A small deciduous tree in family Rosaceae, Prunus dulcis, that produces predominantly sweet almonds.
- Other plants that produce almond-like nuts:
- The colour of the kernel of an almond without its shell and thin seed coat, a creamy off-white colour.
- The color of an almond still covered by its skin, a shade of brown.
- Anything shaped like an almond; specifically, a tonsil.