Sweet, sweet FA, needing Henry to be Arsenal's No.1 (6)

I believe the answer is:

nougat

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'sweet' is the definition.
(nougat is a kind of sweet)

I cannot understand how the rest of the clue works.

(Other definitions for nougat that I've seen before include "Chewy pink or white sweet" , "Chewy confection with nuts, cherries" , "Chewy sweet made of egg-white, nuts and sugar" , "Chewy sweets made of nuts, sugar and albumen" , "Una got (anag) - a chewy sweet" .)

I've seen this clue in the Independent.

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