I recently learned via this Odd Lots ep with Barb Stuckey

(chief innovation and marketing officer at Mattson, a San Francisco Bay Area company that helps food producers find the next big flavor)

https://www.youtube.com/watch?v=7DPXc_2ovLs

that tropical food flavors are VERY hot right now. mango, pineapple, guava, ube

and the food industry is watching 
SE Asia flavors (pondon, kalamansi)
and 
Korean flavors/Korean food

as the next BIG trends 

I would say Korea is already here but maybe not fully mass market yet as is the perspective of the guest

The Farcaster formerly known as Kchamp. Books, beats, bodybuilding, bright ideas and beautiful things.

katherinechampagne.com 