Steam dark chocolate and margarine in a medium heat water until melted and let it cool

Put eggs, sugar, vanilla extract and cake emulsifier and use mixer with low to high speed. Leave it for 10 minutes. While we're waiting for the egg mixture, heat the steamer

Mix dry ingredients like flour, cocoa powder, and baking powder in a bowl

After the egg mixture is mixed about 10 minutes. Put the dry ingredients in the egg mixture and put the melted chocolate little by little

Take a little of the mixture and put condensed milk and mix it well

Put the mixture (without milk) in the pan or bowl or anything you like and steam it for 10 minutes

Put the mixture (with milk) on the top of the cake as the second layer and cook it for another 10 minutes

The last layer, you can do as the 6th step. Put the mixture and cook it for 15 minutes

After it's cooked, let it cool and cake is ready to serve.