Mix the slaked lime powder with water. Skim off the clear lime water after settling.
Dissolve rice flour, tapioca starch, and sugar in limewater. Divide the mixture into two equal parts.
Mix pandan juice and coconut milk into the divided flour portions.
Place a pot on the stove, add the green batter mixture to the pot, cook and stir continuously. Remove from heat when the batter thickens, stirring for an extra minute.
Repeat with the white batter portion.
Pour the pandan batter into a mold, add the coconut milk to the batter. Gently mix them together. Steam for 40-50 minutes until the cake is done.
Cook the syrup by adding palm sugar and water to a pot. Cook until the syrup thickens.
Cook the coconut milk until it thickens
Serve it by cutting the cake into small blocks, then add syrup and coconut milk, and sprinkle sesame seeds on top.