New on the menu: Could ‘dark kitchens’ gobble up Britain’s high street restaurants?

An employee holds an order from the Lunch Box menu inside a Rebel Foods Pvt cloud kitchen in Mumbai, India. Often in under-utilised buildings, portacabins or warehouses on the outskirts of cities, dark kitchens allow chefs to cook up everything from burgers to biryanis and serve food directly to online consumers. — Bloomberg

LONDON: When Eccie Newton and her sister began making fresh salads and sandwiches to deliver to London office workers, their startup company Karma Cans became so popular they soon had to expand – and hit a common roadblock: space.

"We just couldn't find any kitchen space – it was almost impossible," Newton recalled of their venture in 2014.