Water Chestnut with Syrup and Coconut Milk

This Thai dessert is called Taptim Grob (ทับทิมกรอบ) which is Water Chestnut with Syrup and Coconut Milk. It cost 25 baht. The name "taptim" means ruby and this effect is achieved by mixing the water chestnuts with red food colouring. The water chestnuts are also rolled in tapioca flour. The syrup is made from water and sugar. This is poured on top together with thick coconut milk and crushed ice.