Preheat the oven to 350°F.
In a medium mixing bowl, whisk the flour, baking soda, salt, and cinnamon.
In a separate large mixing bowl, beat the butter, sugars, milk, and vanilla until creamy.
Add the dry mixture to the wet and mix until combined.
Fold in the oats and chocolate chips.
Place balls of ~1.5 tbsp of dough on lined baking sheets. Bake for 9-11 minutes, until baked to your liking.
Enjoy warm or allow to cool before digging in! We recommend storing leftovers in an airtight container.