• Combine castor sugar, evaporated milk, vanilla extract/essence and butter in a saucepan. Stir over low heat until sugar is dissolved and butter is melted, remove from heat and keep warm.
• Add beaten eggs into the slightly cold evaporated milk mixture and stir till well mix.
• Sieve the flour, cocoa powder, baking powder and baking soda into a large mixing bowl, then pour the eggs mixture over the flour and stir till well mix ( cake batter should be runny)
• Heat up steamer.
• Lined and greased an 8 or 9 inch (20 or 23cm) round baking pan.
• Pour the batter into the lined pan and place the pan into the steamer and cover the top of the pan loosely with a piece of aluminium foil.
• Cover the steamer and steam over medium heat for 45 mins.
• Cool the cake in pan before turning out for further decoration.

To make Chocolate Fudge Topping:

• Combine the sieved cocoa powder, condensed milk and oil.
• Stir over low heat till thicken.
• Add in salt and vanilla extract or essence.
• Cool the chocolate topping a little before spreading on the cake.
• Refrigerated before serving it.