Mix together flour, baking powder, baking soda, salt and oregano in a microwave friendly mug till well combined.
Add milk and mix till there are no visible lumps. Spread pizza sauce on top, add mozzarella and the toppings and microwave for 90 seconds in a 800 watt microwave or 75 seconds in a 1200 watt microwave. Eat immediately!
Video
Notes
The cheese might bubble over while its in the microwave
Add your favourite toppings - olives, pepperoni or skip them completely
The dough tends to dry out if its consumed quickly, so eat it while it's still warm