Soak jaggery in warm water(till immersing level) , crush it well.
Then heat it up until it is slightly thick (no string consistency needs to be checked). It should be of idli batter consistency. Strain and keep aside.
Dry roast chana dal until it turns golden brown.
In a pressure cooker add chana dal with water till immersing level and pressure cook for 3-4 whistles, don't make it too mushy, Set aside.
Heat ghee in a pan add cashews and fry till golden brown, set aside.
Heat jaggery syrup for 2mins until it starts thickening (no need to check for any consistency)….add chana dal at this stage.
Mash it up with a ladle. Once jaggery syrup is well combined with the dal, add coconut milk.
Once it starts to boil, add dry ginger powder / edible camphor, milk and give a quick stir. Switch off and add ghee fried cashews.
Serve Chana Dal Payasam hot / cold as per your preference.