Five minute instant chocolate cake

1 coffee mug
4 tablespoons flour
4 tablespoons sugar
2 tablespoons unsweetened cocoa
2 tablespoons whisked egg
3 tablespoons milk
3 tablespoons oil
3 tablespoons chocolate chips
splash vanilla

Mix all of the dry ingredients into the mug. Add the egg and combine well. Stir in milk and oil. Add chocolate chips and splash of vanilla. Stir well. Microwave for 3 minutes in a 1000w oven, or 4-5 minutes in a 700w oven. It will start to crown over the top of the mug. It will collapse once the heat stops.