Ingredients
Method
- Whisk the egg with the sugar and salt.
- Add the milk and melted butter, and mix.
- Add the flour and cocoa, stir in the pieces of chocolate and mix - the batter is ready.
- Grease mugs with vegetable oil and pour in the batter.
- Put the mugs in the microwave for 3 minutes - and that's it. Enjoy!

Notes
Ingredients are measured for two mug cakes.
