Portion sizes have grown over the last 50 years, along with the perception that bigger meals offer better value for money. Yet there is increasing evidence that people value brands that help them to be healthier, and when it comes to portion sizes, they can be persuaded that less is more.

Brits are eating more than ever. With manufacturer serving sizes and even kitchenware getting larger, is it any wonder that waistlines are as well? Some studies now suggest that eating like we’re back in 1950 – when plates and portions were smaller – may be the key to reducing collective weight gains.

More calories were consumed in snacks during the 2015 Super Bowl than at Thanksgiving dinner in 2014. Snacking in the US is at an all-time high, with 91% doing it daily. So why is the 'little and often' habit replacing traditional meals? And what does the average American really want from a snack?

Is the mealtime over? Why do people care about crockery? Will we replace cow's milk with nut milk? And should we ditch the clean eating diet? As part of our Expert Outlook 2017 series, we speak to three food and drink experts about the future of eating out, snacking and the truly balanced diet.