In the past, eating out in India was more about convenience than the food itself, and quick service restaurants had reigned supreme. But with a growing middle class happy to splash out on fancier fare, Western fast food brands such as Domino's are losing their slice of the pie.

The average Indian spends over 13 hours a week behind a stove, and, in 2014, consumed just 151 calories from packaged snack foods each day. Yet despite these positive dietary habits, India has the world’s third highest obesity rate. So where are all those extra calories coming from?

You won't find bowls of cereal or fast food on a typical breakfast table in India. Instead, people are sticking to traditional options, even when busier lifestyles leave less time for cooking. Now, food delivery companies are looking to conveniently cater to people's desire for traditional fare.

Why is portion size so important to a healthy diet? In what ways do our emotions impact our eating habits? How is ‘local’ cuisine spreading across the globe? Are foodies finally bored of picture-perfect meals on Instagram? And why are people willing to pay a premium for courgetti?