Pumpkin Huat Kuih - 南瓜发糕

My Huat Kuih looks beautiful and springy in texture, but just do not understand why they don't smile (means split open).

为什么今天做的发糕不会笑（裂口)? 幸好做出来的颜色是美美的啰，还有口感是QQ的.

Recipe:

Ingredients:

A)

100 ml water

1 tsp instant yeast

100g plain flour

B)

250 g plain flour

2 g double-acting baking powder

200 g pumpkin (steamed and mashed)

150 g sugar

150 g coconut milk

1 whole egg

Method:

1) Combine ingredients A and mix well, cover with a piece of damp cloth and rest for 1 hour at room temperature.

2) Add in mashed pumpkin and sugar into mixture 1) , stir well and pour in coconut milk, mix well.

3) Fold in sifted flour and double-acting powder, blend well till well mixed.

4) Spoon batter into paper cups or small tea cups (grease) till 3/4 full.

5) Steam for 20-25 minutes.