Desi A2 cow ghee is made from A2 milk in the traditional Bilona (churning) method as recommended by Ayurveda:
Milk > Curd > Butter (+ ButterMilk) > Heating Butter > Ghee
After heating, the precipitated milk solids are removed through straining and Voila! There you have warm, golden Ghee. The healthy super food so highly recommended by Ayurveda.