Heat 2 tbsp ghee in a pan.
Add chopped cashew nut and fry until it turns golden brown. Take it out and keep it aside.
In the same pan, add grated ash gourd saute well and cook for a few minutes. Cook well until all water evaporates and the ash gourd is cooked well.
Once the ash gourd is cooked well, add jaggery/country sugar and mix well.
After a few minutes, the jaggery dissolves and it turns a little watery.
Stir well and cook this for a few minutes. After a few minutes, it starts to thicken.
Add 2 tbsp ghee and saute for a few minutes.
Add cardamom powder and roasted cashew nuts into the halwa and mix well.
White pumpkin jaggery halwa is ready to melt in the mouth.