Step 1

Spray a mug or shallow dish with cooking spray and set aside.

Step 2

In a medium bowl, mash the banana with a fork. Add the egg and mix together until combined,

Step 3

Add the coconut flour and stir until mix in. Fold in 1/2 the chocolate chips and pour into mug. Top with remaining chocolate chips.

Step 4

Microwave for 1 ½ to 2 ½ minutes (1 ½ for shallower dishes and 2 ½ for deeper dishes, like mugs). Stop at 90 seconds and see if it's done; if not, microwave at 30 second intervals (so it doesn't overflow).

Step 5

Take out, let cool, and enjoy!