Grab a large mug. Spoon the dry ingredients into the mug and mix well.
Crack in the egg and whisk to combine with a fork.
Drizzle in the milk and oil and stir. Drop in a few choc buttons.
Place into a microwave and cook for 2 ½ mins on full power.
Leave to rest for 1 minute then eat with lashings of cream or ice cream. Makes 1 large pudding... a generous dessert or ample to share