How to make :

• Sift the wheat flour with baking powder. Set aside.
• Place sugar, eggs, and emulsifier into a container (bowl). Beat with a high-speed mixer for 10 minutes until fluffy. Lower the mixer speed.
• Then add the flour and baking powder that has been sifted into the container alternately with soda slowly while continuing to shake. Beat until blended.
• Take 100 g of the mixture and put it in another container then add the chocolate paste.
• Add vanilla paste to the other mixture.
• Prepare a steamed sponge cake mold with a steamed sponge cake.
• Pour the white mixture into the mold then add a little chocolate mixture.
• Steam the cake for 20 minutes or until fluffy.
• Let stand at room temperature for 5 minutes, then remove the cake from the mold.