- Pre-heat oven to 175°C. 
- Sift flour, cocoa powder, baking powder, baking soda and salt into a bowl. 
- Add sugar to the bowl and mix thoroughly. 
- Add beaten egg, milk, oil and vanilla to the dry ingredients and beat with a hand mixer for two minutes.  
- Add hot coffee and beat until just combined. 
- Divide the batter between 6 muffin cups, filling each until just over halfway full. 
- Bake for 15-20 minutes or until a toothpick inserted into the centre of the cupcake comes out clean. 
- Allow the cupcakes to cool in the tray for ten minutes and then transfer them onto a wire rack. 
- Enjoy!