Beat together butter, brown sugar, white sugar, vanilla extract and eggs until creamy using a mixer. Whisk together flour, baking soda, cinnamon and salt.
Combine flour mixture with butter and eggs and continue mixing. Stir in oats and chocolate chips with a spoon.
Press evenly into a sprayed 12 inch skillet. Bake in a preheated 355 degree oven for 30 to 35 minutes.
Keyword Iron Skillet Oatmeal Cookie, Oatmeal Cookies, Easy Dessert