Cryptic crossword clue
Savoury snacks child tucks into, not the genuine article 9

The most common and most likely answer to this crossword clue is the 9 letter word PASTICHES

I've seen this crossword clue in The Guardian
P
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Buddy explains!

The straight part
We know that "not the genuine article" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not the genuine article = pastiches.
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 PASTICHES mean?

PASTICHES noun
  1. A work of art, drama, literature, music, or architecture that imitates the work of a previous artist.
  2. A musical medley, typically quoting other works.
  3. An incongruous mixture; a hodgepodge.
  4. A postmodern playwriting technique that fuses a variety of styles, genres, and story lines to create a new form.

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