brownie in a cup

ingredients:
- 1 egg
- 2 tbsp sugar
- 2 tbsp cocoa powder
- 1 tbsp all purpose flour / 1/2 tbsp all purpose flour & 1/2 tbsp custard powder
- 2 tbsp vegetable oil

1. Mix everything together.

2. Separate for two cups, and heat in microwave with 700 watts (medium) for 1 mins & 20 sec.  Microwave 20 seconds more if necessary.