The little girl imagined she was a princess in a garden.

The eight-year-old told police she had been told to calm her nerves by thinking of a place she liked, before a procedure called "khatna", involving a small cut to her genitals.

She told officers she remembered getting a glass of lemonade after the painful procedure, and that "khatna" had also been carried out on her younger sister.

Details of the girl's interview with police were revealed at the NSW Supreme Court trial of her mother, who can only be known as A2, who is accused of organising the genital mutilation of her daughters between October 2009 and August 2012.

The woman, a member of the Dawoodi Bohra Shia muslim community, has pleaded not guilty.