Place all dry ingredients into the mug you plan on cooking and serving in! GIve them a good stir.
Add liquid ingredients and stir vigorously to combine. Add a few more chocolate chips at this stage if you like.
Add the berry jam last and just tuck it underneath the surface of the batter.
Microwave on high for 90 seconds. Cool slightly before serving with ice cream or cream. Rinse and repeat for the second serve!