As promised... recipe adapted fm Sedap Khusus Pemula..
1/4 tsp salt
1/2 tbsp emulsifier
200ml soda water
1/4 tsp chocolate paste - i added 1/4 tsp of blackforest paste too!
Whisk eggs, sugar, salt and emulsifier till double in size..Add in sifted flour and soda water alternately...Take 3tbsp of batter and add chocolate paste... Pipe in plain batter to the rim of ur mould and pipe in a little chocolate batter.. Steamed it using high fire for 10mins