Peel the mangoes and grind the mango slices to make fresh mango puree
Grease a cake pan or hallow plate with ghee/butter
In a microwave safe bowl, add mango pulp, condensed milk, corn flour and cardamom powder. Mix well and keep in the microwave for 2 minutes
Take the bowl out and mix once. Continue the same process and cook for 13- 15 minutes, taking it out every 3 minutes. Cook till the mixture becomes non sticky and comes out of the pan like a mass
Add ghee and give a good stir
Place it on greased parchment paper, place a parchment paper over, roll it into desired thickness. Sprinkle with nuts and cut into desired shape