In India raw mango is used to make a delicious one-of-kind spicy, savory cold drink, with just enough sweet. It’s called ‘panna’. In a variant of it the same is made with the pulp of a roasted/burnt green mango. You can search online for the recipes. If you have an Indian store nearby you can buy a carton of Dabur brand’s raw mango juice to check the taste out. It’s unique. And the brand is a highly reputed trusted 50-60-years old, producing herbal foods and medicines, founded by a doctor, Dr Burman - hence the name, Dabur.