Exemplified in NE, OK pud we cased in nuts? (6-4,4)

I believe the answer is:

upside-down cake

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'exemplified in ne ok pud we cased in nuts?' is the definition.
I can't tell whether this defines the answer.

'ok pud we cased in nuts?' is the wordplay.
'nuts?' indicates an anagram (nuts can mean crazy).
'ok'+'pud'+'we'+'cased'+'in'='okpudwecasedin'
'okpudwecasedin' is an anagram of 'UPSIDE-DOWN CAKE'.

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I've seen this clue in The Independent.

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