Not deterred by poor sales of her party book, the Duchess of Cambridge’s sister Pippa Middleton has signed up to be a columnist in Waitrose Kitchen, the grocer’s monthly magazine.

Waitrose Kitchen Pippa Middleton

Known for stating the obvious in the party book, readers will doubtless be holding their breath as they wait to hear how to spread their hummus or dunk a Duchys Original biscuit – supplied by her sister’s father in laws’ business –  into a mug of tea.