Firstly, remove the pink watermelon flesh completely from the rind and set it aside
Use a peeler, remove the  green outer skin, and discard
Grind the rind without adding water. I ground it into a coarse mixture. Avoid making them paste
Add  ghee and heat on low- medium flame
When the ghee turns hot,  add cashews and roast till they turn golden brown. Turn off the stove and Transfer
Add ground watermelon rind and turn on the stove
Sauté well till the moisture in the ground rind evaporates
Furthermore, add hot milk and saffron; mix well and cook till it thickens and comes together
Add sugar and cardamom powder, and mix well
After adding sugar halwa loosens up. Mix well and cook till it thickens
Furthermore, add roasted cashews and mix well
Finally, add ghee and fried cashews, give a quick mix, and turn off the stove. Move the pan aside and transfer. Serve warm