In bowl,place sifter,add all-purpose flour,cocoa powder,salt,baking powder and baking soda, sift together and mix well.
Add oil and mix well.
Add caster sugar,egg,milk and mix well until well combined.
Add hot water and mix well.
Add vanilla essence and mix well.
Place butter paper in 9” inch baking pan and grease it with oil
Pour batter into a grease baking pan and set aside.
In pot,add 1 pack of salt,place wire rack (2-3 inches high),cover and preheat on high flame for 15 minutes.
Place baking pan,cover and bake on medium low flame for 1 hour.
Insert a tooth pick/stick in baked cake if it comes clean,cake is done.
You can also bake in preheated oven at 180 C for 40-45 minutes.
Let the cake cool down on wire rack & refrigerate.