Steam Cake (a.k.a Bolu Kukus)

i used kickapoo instead of 7UP and surprisingly the taste is remarkable. i made them small because it looks cute and it makes my children visit the kitchen more often :) here's the recipe:
250 gr flour
250 gr sugar
200 ml 7UP/ kickapoo
1 tsp emulsifier
2 eggs
2 tbsp of condensed milk
1/2 tsp of vanilla extract
Method:
1. Prepare the steamer
2. put egg and sugar into deep bowl, beat at medium speed until smoothly blended.
3. add emulsifier beat again till stiff, add flour
4. add vanilla extract, 7Up/kickapoo and condensed milk
5. divide the mixture into few colour
6. pour the mixture into the cup
7. steam it with high fire for 15 minutes.
8. cool it down and it's ready to be served.