One-Bowl Chewy Oatmeal Raisin Cookie Bars

These one-bowl chewy oatmeal raisin cookie bars are everything you love about the classic cookie, in a thick, chewy bar. Raisins, oats, and cinnamon mixed into a rich cookie topped with a quick oat crumble. Simple ingredients, no chill time, and just about an hour to this delicious dessert. The oat topping adds extra cinnamon flavor and the perfect crunch, plus the buttery texture if unbeatable.