Combine split mung bean and water, steam for 30 minutes until very soft.
Remove durian flesh, measure out 180 g of flesh.
Combine salt, sugar, glutinous rice flour and milk, mix well. Add in steamed split mung bean and durian flesh, blend until smooth.
Sieve into a non-stick pan.
Add in cooking oil, mix well.
Cook over medium heat for 20 minutes, then reduce to medium-low heat and cook for 6-7 minutes, until you have a smooth paste. (Reminder: The heat for different cooker is different, cooking time is just for reference.)
Set aside to cool completely. (Update for storage: Put paste in container and freeze it. Return frozen paste to room temperature before using.
Video
Notes
This recipe yields 560g of paste.The nutritional values for reference are based on 12 servings as used in mini mooncakes without the skin.