Instructions

1. 1

   Stir the flour, sugar, cocoa, baking powder and salt together right in a large mug.

2. 2

   Add the milk and oil and stir until smooth with no lumps remaining.

3. 3

   Fold in the chocolate chips.

4. 4

   Microwave the mug for about 90 seconds at 800 watts, until the cake has risen and is just set.

5. 5

   Let cool briefly and eat straight from the mug.