Fried Cassava Balls 香炸木薯球

Ingredients 材料:

300g tapioca/cassava  (木薯(蒸熟，压成泥）)
100g caster sugar  (幼糖)
50g grated white coconut (白椰丝)

Batter 面糊:

100g rice flour (粘米粉)
1 tbsp corn flour  (大匙粟米粉)
1 tbsp custard powder  (大匙蛋黄粉)
1/2 tsp salt  (小匙盐)
1/2 tsp baking soda  (小匙苏打粉)
80ml water (水)