First, take a microwave-safe mug. Add 1-2 tbsp of butter to the mug and microwave it for 30 seconds until the butter melts.
Step
1
Then, add 2 tbsp of powdered sugar and give it a mix. Now add 4 tbsp of all-purpose flour, a pinch of salt, 1.5 tbsp of milk, and 4-5 drops of vanilla essence.
Step
2
Mix it properly until it forms a dough. Later, add 1 tbsp of chocolate chips and give it a mix. Add some more chocolate chips on top.
Step
3
Microwave it for about 1 minute and 20 seconds. Your chocolate chip cookie in a mug is ready to dig in. Serve it warm with your favorite toppings or just as it is.