Line cookie sheets with parchment paper. Beat together the room temperature butter and sugars.
Sprinkle the baking soda, ground cinnamon, and salt into the bowl. Spoon and level the flour before adding to the bowl.
Beat on low until combined. Add the oats and beat until well combined.
Use a cookie scoop or roll 1.5 tablespoon of cookie dough into a ball.
FOR THE FULL RECIPE