Kue Bolu Gula Putih (Bai Tang Gao - 白糖糕)

Bahan-bahan (8 porsi)

• 150 g rice flour ((regular rice flour; NOT glutinous rice flour))
• 280 g water ((divided; note that when measuring water, g = ml))
• 100 g gula pasir putih
• 3 g active dry yeast ((can substitute instant yeast))
• 30 g air hangat
• minyak sayur ((untuk menyikat))