Biscuit and a doughnut separately eaten by French bigwig (8)

I believe the answer is:

macaroon

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'biscuit' is the definition.
(I know that macaroon is a type of biscuit)

I cannot understand how the rest of the clue works.

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(Other definitions for macaroon that I've seen before include "Coconut-topped biscuit" , "Biscuit made with almond paste" , "Sweet almond biscuit" , "Light biscuit" , "cake" .)

I've seen this clue in The Independent.

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