Basic steamed sponge cake

Recipe:

200g superfine flour
150ml homemade soya milk
100ml water
30g sugar (i used 28g)
1 tbsp squeezed local lemon (limau kasturi)
2 tsp baking powder

(1) Using 7" diameter baking pan, line parchment paper at the bottom and side.
(2) Mix milk, water, sugar and lemon and stir till all properly mixed.
(3) Sieved in flour and baking powder mixture into no.2.
(4) Pour batter into lined baking pan. Using spatula, smooth the top surface and slightly recess
the middle part.
(5) Steam for 30 minutes, wait for 5 minutes before removed. Serve warm or use as sponge for fruit cakes and other decorative cakes.

Note: Is a very small cake, the thickness is slightly less than half of this baking pan. Can double the recipe to make thicker sponge.