Butterfinger Peanut Butter Oatmeal Cookies

salted butter, softened to room temperature*

packed light or dark brown sugar

granulated sugar

creamy peanut butter (not natural or oily peanut butter)

large egg, room temperature preferred

vanilla extract

and 1/4 cups all purpose flour, careful not to overmeasure

baking soda

quick oats*

chopped Butterfingers (about 2 large Butterfingers, or 5-6 mini)

milk chocolate chips, optional