Found on Dizzy-Dee, yeah…I know…cool. I am making it tonight for sure:

Ingredients:
4 Tablespoons cake flour
4 Tablespoons sugar
2 Tablespoons cocoa
1 Egg
3 Tablespoons milk
3 Tablespoons oil
1 Mug

Instructions: Mix flour, sugar and cocoa in a mug. Spoon in 1 egg. Pour in milk and oil, and mix well. Put in microwave for 3 minutes on maximum power (1000watt). Wait until it stops rising and sets in the mug.
Tip contents out of mug onto saucer and enjoy!