firstly, to bake the cake in a pressure cooker add in 1½ cup of salt in a cooker. you can alternatively use sand.
close the lid of cooker without keeping the gasket and whistle. heat for 5 to 10 minutes. as a result, gives a preheat oven atmosphere.
meanwhile, take a small mug and add 6 tbsp maida and 3 tbsp cocoa powder.
also add 3 tbsp sugar, ¼ tsp baking soda and pinch salt.
mix well making sure everything is well combined.
now add 4 tbsp milk, 3 tbsp oil and ½ tsp vanilla extract.
mix using a fork making sure everything is well combined.
add 2 tbsp milk (if required) to form a smooth lump-free batter.
top with 2 tbsp chocolate chip over the cake batter.
place in preheated cooker. you can alternatively bake in the preheated oven at 180 degree for 20 minutes. to bake in the microwave, bake for 2 minutes on high power.
insert a toothpick and check if the cake has baked completely.
finally, garnish with chocolate sauce and enjoy chocolate mug cake.