Take a coffee mug.
Add all purpose flour, powdered sugar, baking soda, baking powder and mix it up well.
Then add condensed milk mix it nicely then add 1 tablespoon milk, then add oil.
Now add vinegar then add sprig gourmet vanilla extract and mix it up well then add Chocolate essence and mix it up well again.
Once all the ingredients are nicely added and mixed and blended paste is formed without any lumps then add 1 tablespoon of milk again.
Keep it in preheated microwave for 2 minutes.
Check with the help of a toothpick if properly baked.
Your chocolate mug cake is ready, enjoy.