Microwave Chocolate Chip Cookie Mug

Step 1

In a microwave-safe mug, melt the butter. It takes about 30 seconds.

Step 2

To the melted butter, stir in the white and brown sugars. Add the egg yolk and vanilla. Stir to combine. Mix in the flour, salt, and chocolate chips.

Step 3

Microwave for 40 seconds to 1 minute until just set.

Step 4

Allow to cool for a couple of minutes and enjoy!