Preheat oven to 350 degrees F.
In a small bowl add flour, baking soda, cinnamon and salt; mix well and set aside. In a stand mixer, mix butter, granulated sugar and brown sugar on medium, until creamy. Add eggs, one at a time. Making sure each egg is incorporated before adding the other egg.
Add vanilla and mix. Add flour mixture to stand mixer. Mix well, but making sure not to over mix.
Add oats and chocolate chip and mix.
Drop dough by rounded tablespoonfuls onto ungreased cookie sheet. Bake 8-10 minutes or until light golden brown. Cool 1 minute, then transfer to wire rack.
Cool completely and then ENJOY!