• Preheat your oven to 350°F (180°C) and line baking sheets with parchment paper.
• In a medium bowl, combine the flour, baking soda, and salt. Set aside.
• In a large mixing bowl, cream the unsalted butter, light brown sugar, and granulated sugar on medium speed until light and fluffy, about 2-3 minutes.
• Add the eggs one at a time, mixing well after each addition, then add the vanilla extract and mix until smooth.
• Gradually mix the dry mixture into the wet mixture until just combined.
• Gently fold in the oats and chocolate chips.
• Create tablespoon-sized balls of cookie dough and refrigerate for at least 2-3 hours or overnight.
• Before baking, let the dough sit at room temperature for about an hour.

Baking

• Place chilled dough balls on prepared baking sheets.
• Bake for 8-10 minutes until edges are lightly golden.
• Cool on the baking sheet for 4-5 minutes before transferring to a wire rack.