A proper hug in a mug
Mix the flour , sugar , cocoa , salt and choc chips in a large mug . Save a few choc chips to put on top of cake
Add in the egg, oil and milk
Mix really well
Put a the remaining choc chips on top
Put in microwave and cook for 1.5 -3 minutes depending on your microwaves power
Leave to stand for a minute .
Dust with icing sugar if liked and serve
Servings 2