Steamed chocolate banana cake huat kueh - by Cathryn Vincent Khoo

Steamed chocolate banana cake. Soft and fluffy
This huat kueh is very moist and spongy even the next day. Without steaming still very soft and moist.
THIRD DAY without steaming still soft and moist.
Ingredients A
2 cups plain flour
1.5-2 tablespoon cocoa powder
1 tspn soda bicarbonate (sodium bicarbonate)
1 tspn baking powder

Ingredients B
1 cup mashed bananas
125 ml oil [any sort] butter
125 ml milk [or any liquid]
1 cup brown sugar or palm sugar
2 eggs [slightly beaten]
Add Dry ingredients A into a mixing bowl
Add Wet ingredients B into dry ingredients in the mixing bowl
Mixed ingredients till well mixed
spoon mixture into moulds
Steamed on high heat (boiling and bubbling) for 20 mins