Add in the remaining ingredients. Whisk well with a fork.
Microwave on high for 4 minutes (I would advise you to check in at 2.5-3 minutes just to make sure it doesn't overspill/overcook. Each microwave is different).
Recipe by Unconventional Cooks at https://unconventionalcooks.com/2017/07/22/a-winning-5-minute-strawberry-shortcake-mug-cake-paleo-low-carb-oil-free-gf-dairy-free/