Ingredient of Christmas pudding being blamed for poisoning (3)

I believe the answer is:

asp

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'ingredient of christmas pudding being blamed for poisoning' is the definition.
I can't judge whether this defines the answer.

'ingredient of christmas pudding being' is the wordplay.
'ingredient of' indicates the answer is hidden within the clue.
'ASP' can be found hidden inside 'christmas pudding being'.

Can you help me to learn more?

(Other definitions for asp that I've seen before include "Small poisonous snake" , "This Egyptian killer" , "Reptile" , "Cleopatra-killing snake" , "Poisonous type" .)

I've seen this clue in The Times.

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