Steamed Sponge Cake (Bolu Kukus)

Ingredients:
* 5 egg yolks
* 4 egg white
* 250 gram granulated sugar
* 300 gram flour
* ½ tsp baking soda
* 175 cc soda water (Sprite/7Up)
* ½ tsp vanilla
* 1 Tbs cocoa for coloring

Instructions:
* Cover approx. 20 tin cups used to steamed the cakes with parchment papers then put them into a steamer pot with boiling water.
* Mix egg yolks, egg white, baking soda, sugar and vanilla until they make a smooth batter then put in turns, ½ portion of the flour, ½ portion of the soda water until all of them are used, mix well. Take 5 Tbs of the batter and put it in a separate bowl. Pour in the cocoa and mix well.
* Pour the white batter into the tin almost to the top then pour in 1-2 tsp of the cocoa batter on top. Do this until all the batter is used up, ± 20 tin cups.
* Close the steamer lid, let it steamed for ± 20 minutes with high temperature. Then use low temperature for another 5 minutes. The cake is ready to serve if it looks like the above picture.

For 20 tin cup cakes


Golden Sponge Cake