Preheat oven to 350F and prepare two baking sheets with parchment papaer
Cream together the butter and sugars in a large bowl with a hand mixer or with a standing mixer
Add the eggs and vanilla, mixing again until combine. Set bowl aside.
In a separate bowl, whisk together the flour, baking soda, cinnamon and salt
Add the dry ingredients to the large bowl with the wet ingredients, mixing again to fully combine
Finally add the oatmeal and raisins, stirring with a soon until distributed evenly
Scoop onto the prepared baking sheets and bake for 10 minutes
Enjoy before they're all gone!