Step 1
Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish with cooking spray.
Step 2
Mix 1 tube of cookie dough 1/3 cup peanut butter and pretzels together in a bowl. Press into an even layer in the prepared baking dish.
Step 3
Bake in the preheated oven until just golden and set 12 to 15 minutes. Allow to cool slightly.
Step 4
Mix remaining tube of cookie dough remaining peanut butter and 1/3 cup peanuts together in a bowl. Press in an even layer onto a piece of parchment paper the size of your baking dish. Refrigerate until firm about 30 minutes.
Step 5
Preheat the oven to 350 degrees F (175 degrees C).
Step 6
Combine condensed milk and caramels in a saucepan over medium heat. Cook stirring frequently until smooth about 5 minutes. Pour over the cookie dough crust in the baking dish and spread in an even layer. Top with the refrigerated cookie dough mixture and peel off the parchment paper.
Step 7
Bake in the preheated oven until golden brown 25 to 30 minutes. Allow to cool slightly.
Step 8
Pour chocolate chips into a microwave-safe bowl; heat in the microwave until smooth about 1 minute. Stir in remaining 2/3 cup peanuts and spread over cookie bars. Refrigerate until set at least 20 minutes.