1. Place the flour, sugar and cocoa in a large (1½ cup capacity) microwave-safe mug.
2. Next, add the milk, vegetable oil, egg and vanilla to the mug and stir well with a fork.
3. Sprinkle over the choc chips.
4. Place the mug into the microwave and cook on high for 1 ½ minutes or until cooked through.
5. Remove from the microwave and let sit for 30 seconds.
6. Serve with a dollop of cream
