Diets don’t work, do they? Because the very word makes us want to reach for the biscuit tin. However, Tom Kerridge may have just concocted a diet we could stick to.

Armed with NHS-approved weight-loss advice, the chef – who has himself lost around 12 stone in recent years – takes 13 volunteers who’d like to lose weight and gives them recipes that pack huge flavour with only a fraction of the calories.

He makes healthier comfort foods including muffins, lasagne and Southern-style chicken. And, as the volunteers tuck in, it appears he’s on to a winner…