A natural sweetener in rural tug’s agenda (10,5)

I believe the answer is:

granulated sugar

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'a natural sweetener in rural tug's agenda' is the definition.
I can't tell whether this definition defines the answer.

'a natural sweetener in rural tug's agenda' is the wordplay.
'rural tug's agenda' anagrams to 'GRANULATED SUGAR'.
But, I'm not clear how this is indicated.

Can you help me to learn more?

(Other definitions for granulated sugar that I've seen before include "sweetener needed" , "White sweetener" .)

I've seen this clue in the Sydney Morning Herald.

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