When it comes to quintessentially British specialties, few rival the charm of a cup of tea.

OnInstagram, she revealed that the late monarch once toured a building that Leith was catering for.

“But her attempt was stonewalled, with Leith admitting, “The equerry would not tell me.

Prue Leith

You’d think it was a state secret!

“In fact, she was instructed simply to present it on a silver trayaccompanied by lemon.

At the event, the queen wanted black tea.

Prue Leith

So, “I thought, ‘all right, I know how to do this.'”

But Her Majesty interjected again, wanting it strong.

Leith’s royal involvement also includes a nod to King Charles III.