In a bowl, mix brown sugar, salt and water, stir to combine
In a nonstick pan, add coconut and Pandan leaf (knotted), then pour brown sugar mixture. Cook until all liquid evaporated, stirring often. Coconut will be sticky. Set to side to cool to room temperature
Meanwhile, in a bowl, mix flour, cornstarch, and salt, set to side
In another bowl, mix egg, coconut milk and water to combine well, then pour into flour mixture, followed with oil and Pandan paste. Stir to combine.
Strain mixture for lumps, then cover with cling wrap, let stand for 30 mins
Heat nonstick pan on low-medium heat, brush with a little sunflower oil, then make thin crepes
Lay one skin on a plate, add some coconut filling, then roll neatly