Carolyn Robb, former personal chef to the Prince and Princess of Wales, and her sister Deirdre Reford, an occupational therapist, on cooking for royalty and supporting each other.

Carolyn

I was born in South Africa, the youngest of five. It was a lovely, carefree childhood. My siblings were all away at boarding school, university, the army and navy. I remember when Deirdre was studying occupational therapy, she'd come home and practise on me: I sat on her lap while she checked that my joints worked. She's always been an amazing big sister, even with the age gap.

Often being the

Deirdre

Strange habits