Kue Ko Sui (Steamed Palm Sugar Rice Cake)

Name: Kue Ko Sui (Steamed Palm Sugar Rice Cake)
Prep time: 10 min
Cook time: 1 h 10 min
Total time: 1 h 10 min
Yield: 16 porsi
Ingredients: minyak sayur; 2250 g air; 100 g kelapa parut segar; 1 sdt garam; 150 g gula aren; 110 g dark brown sugar; 3 daun pandan; 180 g tepung beras putih; 80 g tepung tapioka; 1 sdt air alkali