Mix flour and baking soda and keep aside.
Beat butter and both the sugars and vanilla essence in mixing bowl, till light and fluffy.
Fold in flour and choco chips until thoroughly combined. Add milk slowly and gradually to get the right consistency of dough.
Cover and chill the dough for an hour to overnight.
When ready to bake, preheat oven to 375°F or 190°C.
Line baking tray with parchment paper.
Scope out the dough with ice-cream scooper(preferred) or spoon on baking tray.
Bake for 12-15 min at 190°C or 375°F .
Once the cookies start turning golden brown from edges, take out of the oven, cool for 2 mins in the tray and then transfer to a cooling rack.
Once cookies cool down completely store in a cookie jar or an air-tight container.
Enjoy freshly baked cookies!!