Press the sauté button, add the coconut oil to the pot. Once the coconut oil melts, add mustard seeds, curry leaves, and green chili to the pot. When the mustard seeds begin to pop, add the remaining ingredients to the pot.
Secure the lid, close the pressure valve, and cook for 10 minutes at high pressure.
Naturally release pressure (or wait 10 minutes then release pressure).
Give this dal time to cool down; it will look thin upon opening the lid, however, after a few minutes it will thicken quite a bit. Drizzle ghee on top before serving (if desired).