Cheeky chef Jamie Oliver has revealed he likes to pull pranks on his family during the festive season.

The 34-year-old star may come across as an innocent character on screen, but he admitted that he likes nothing more than pulling a good practical joke.

He said: “What I do like to do is download filthy jokes and put them in the crackers.

“Three years ago, I filled up an empty box of Viagra with Smarties and put it in my nan’s cracker and put hair-growth cream in my dad’s!”

Oliver is dad to three daughters with wife Jools, also 34 – Poppy Honey, seven, Daisy Boo, six, and Petal Blossom Rainbow, eight months.