Put the glutinous rice in the rice cooker pot and add the water.
Soak the rice in the water for at least one hour.
Choose the PORRIDGE menu, then proceed to cook by pressing START.
Once the rice is fully cooked, let it cool.
Heat the coconut milk in a saucepan over medium. Bring to a gentle simmer. Add sugar and salt and mix well. Remove from heat.
Mix the coconut milk with the cooled glutinous rice.
Arrange in a serving platter and serve with sliced ripe mangoes.
Garnish with sesame seeds.