Preheat the oven to 350 degrees. Line an 8x8 baking dish with parchment paper then spray with nonstick cooking spray. Set aside.
In a bowl, combine all ingredients for the oatmeal cookie bars until large crumbles form. Press half of the dough into the prepared pan. Bake 10 minutes.
While baking, prepare the caramel filling. Unwrap the caramels into a microwave-safe bowl along with the heavy cream. Microwave, stirring in 30-second intervals until completely melted and smooth.
Sprinkle chocolate chips over the baked oatmeal cookie base, then top with melted caramel mixture. Top with the remaining oatmeal cookie mixture, gently press down into the caramel.*
Bake 18-20 minutes. Cool to room temperature then cover and refrigerate to help the caramel set. After about an hour, cut into squares and enjoy!
Notes
*This dough does not have to be like the base, you simply crumble it over top and it will bake together.