It worked! I found this recipe in a magazine and I just had to see how it turned out. Not the best photo but it was delicious, just like regular cake.
Ingredients:
1/4 cup flour
5 tablespoons sugar
2 tablespoons cocoa powder
1 egg
3 tablespoons milk
2 tablespoons vegetable oil
dash vanilla extract
dash salt
Whisk together all ingredients in a small bowl. Pour mixture into a large, microwave safe mug and cook for a few minutes in the microwave until it puffs up (it will then go back down). Wait until for 2 minutes. Voila! You have a mini chocolate cake in a mug. Grab the frosting and a candle.