Coconut Husk Ash

• 1 young coconut, outer green husk removed

Crack the top of the coconut with a few sharp blows from a meat cleaver. Drain the coconut water (reserve for another use), then split the coconut open using the cleaver. Remove the flesh (and reserve for another use too). Leave the coconut husk in a warm place to dry for 4 days.

Preheat a barbecue to high. Place the coconut husk in a roasting tray and place on the grill, then set the h