Fill each container only halfway with batter, since the cake rises a lot, and microwave each one separately for about a minute, until the top sets and the cake is puffed.
| # | What to do | How long |
|---|---|---|
| 1 | In a bowl, mix the flour, sugar, cocoa and baking powder with a fork | 1 min |
| 2 | Add the milk and oil and whisk | 1 min |
| 3 | Pour the batter into a large mug, so it is half full | 1 min |
| 4 | Microwave the mug on full power for 70–90 seconds | 1 min |
| 5 | Wait a minute before eating: the mug is very hot | — |