Cloud kitchen concept is in hot trend right now.
Many restaurants owner and other health specific diet sites are moving towards cloud kitchen concept.
Recently startup like Swiggy is investing in this very new concept and it seem that in near time it will be in much demand.
So the question what is this cloud kitchen concept, it is basically a virtual kitchen which don't have any physical existence, but it provide a way for restaurants to expand their business.
There is a division of a well know fitness startup eat.fit174 which is based on cloud kitchen concept, and it provides diet according to the fitness plan.
So, many restaurants owner has expanded their menu even if they don't have necessary infrastructure for it.