Take a microwave safe mug.
Add flour,sugar,coco powder,salt and baking powder.
Mix well and add choco chips and walnuts and mix.
Now add milk, jam and oil.
Stir to mix properly.
Now keep the mug in the microwave.
Cook on micro high for 1 minute 10 seconds.
Wait for 2 minutes.
Now remove from microwave and ENJOY