Cases prepared for Italian consumer groups (7)

I believe the answer is:

ravioli

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'cases' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for ravioli that I've seen before include "Stuffed pasta squares" , "Fare" , "Small stuffed pasta" , "Pasta with savoury stuffing" , "dish in the trattoria" .)

I've seen this clue in The Globe and Mail.

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