Question one how to cook a steak? (5)

I believe the answer is:

grill

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'question' is the definition.
(to grill is to interrogate)

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

(Other definitions for grill that I've seen before include "Question; cook" , "Grating" , "Intensely question; dish" , "keep on with questions?" , "Cooking device" .)

I've seen this clue in The Globe and Mail.

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