Roast the Mangoes over a stove till the skin charred.
Cool and peel off the skin.
Cut out the Mango pulp and add it to the mixer grinder.
Adding Ginger, Cumin, Mint, Black salt, Pepper and Fennel seeds to it.
Grind into a smooth puree.
In a vessel add Sugar and water then cook it till the Sugar completely melts.
Add the made Mango purée to this and cook it over medium to high heat stirring continuously till this mix gets thick or you get one thread consistency.
Let this Mango Panna concentrate cool down and then you can store it in the refrigerator filled in a sterilized glass bottle for about a month without adding any preservative.
To make the Aam Panna drink.
And to make the drink add Aam Panna concentrate, ice and chilled water in a glass and give it a stir. Garnish with some fresh mint and a lemon slice.