Ingredients
Method
Steps
- Melt the butter in a microwave‑safe mug for 30 seconds.
- Add cocoa powder, sugar, flour, baking powder, milk, and vanilla; stir until smooth.
- Microwave on medium‑high for 60–90 seconds, checking for a gooey center.
- Let rest for 30 seconds, then enjoy with optional toppings.
Notes
Store batter in the fridge for up to 24 hours. Reheat in 20–30 seconds if needed.
