"I've been making it for the last 20 years, and even my worst batch is still better than anything I've ever had from the store." ...

The ingredient is also an integral part of the Mediterranean diet, touted as one of the healthiest eating patterns around.

Newsweek has reached out to Oatly via email for comment. Oatly is a key player in the alternative milk market. Its products are available in over 60,000 retail stores and 32,200 coffee shops worldwide ...