preheat oven to 350F
in a stand mixer or with hand mixer whisk together butter and sugars until creamy
add in the eggs and vanilla and continue beating til fully combined
combine flour, baking soda, salt, cinnamon then gradually add to bowl while continuing to mix
fold in in oatmeal and raisins
using a spoon or dough scoop, add cookies to parchment or silpat lined baking sheets and press down with a fork to be about 1/4" thick,
bake in batches for 9-10 minutes at 350F. or until light brown
When you take a batch out of the oven, let it rest for 5 minutes in the pan before transferring to a wire rack to cool