Step 1

First, lightly spray a mug with nonstick spray.

Step 2

In the mug, combine all ingredients except milk and chocolate chips. Stir tocombine.

Step 3

Add in milk and chocolate chips. Stir together.

Step 4

Microwave for 60 to 90 seconds. Stop and check after 60 seconds. Microwave in 10 second increments after that until cake is just barely set in the middle.

Step 5

Very carefully remove mug cake from microwave using oven mitts.

Step 6

Finally, add more chocolate chips on top if desired!