In a small bowl, mix the flour, sea salt, baking soda and cinnamon together. Set aside
In a large mixing bowl, beat the butter until smooth
Add in the brown sugar, white sugar and vanilla extract, and beat until fluffy and fully combined
Beat in eggs
Gradually add the flour mixture to the large bowl, and mix well
Using a rubber spatula, mix in the oats, semi sweet chips and butterscotch chips until well combined
With a large cookie scoop (about 2 tablespoons) scoop the dough into balls. Set the dough balls on a prepared baking sheet, cover and chill in the refrigerator for at least an hour
Preheat oven to 350℉
Set the cookie dough balls on a cookie sheet lined with parchment paper or a silicone baking mat, making sure they are at least 2 inches apart from each other
Place extra chocolate chips on top of cookie dough balls
Bake for 12 to 15 minutes, or until lightly brown around edges
Allow to cool for 5 minutes, then transfer to a cooling rack to cool completely