A bit miffed receiving only half as much rice (7)

I believe the answer is:

basmati

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'rice' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for basmati that I've seen before include "Variety of long-grained rice" , "Fragrant type of rice" , "Type of long-grain rice" , "Type of long-grained rice" , "part of Indian order?" .)

I've seen this clue in The Times.

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