. Cut water chestnuts into 1 centimeter pieces and soak them in water mixed with red food coloring for 15 minutes. The dissolved red color will be absorbed into the water chestnuts. Make it turn red Bring water chestnuts that have already turned red. Go and absorb the water until it's damp. Then mix it thoroughly with tapioca flour.2. Set up a pot and bring water to a boil. Take water chestnuts mixed with tapioca flour and sift to remove excess flour. Then put it into boiling water. When the powder coated with water chestnuts starts to turn clear and the crispy ruby floats up Shows that it's cooked. Scoop up and soak in cold water. To make the dough set.3. Set the pot on the stove, use medium heat, add coconut milk and pandan leaves. When the coconut milk starts to get hot, Put in the sugar and salt. Stir until completely dissolved. Scoop the pomegranate crisps into a bowl. Topped with coconut milk. You may add additional ice for a refreshing feeling.