Oral statement of offender on Monday is spicy stuff (8)

I believe the answer is:

cinnamon

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

I don't understand how the rest of the clue works.

(Other definitions for cinnamon that I've seen before include "Spicy bark" , "Aromatic tree bark used as a spice" , "Something spicy" , "spicy stuff" , "The spice is oddly non-manic" .)

I've seen this clue in The Times.

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