Creating Butterfinger Caramel Crunch Bars involves several easy steps. Follow this guide to make your own batch:

1. Prepare the Pan: Line a 9×13 inch baking dish with parchment paper, ensuring some overhang for easy removal.
2. Melt Butter: In a large saucepan over medium heat, melt the unsalted butter.
3. Mix Sugars: Once melted, add the granulated and brown sugars. Stir continuously until the sugars dissolve and the mixture is smooth.
4. Add Peanut Butter: Remove from heat and stir in the creamy peanut butter until well combined.
5. Incorporate Butterfinger: Fold in the crushed Butterfinger candy bars and crispy rice cereal until evenly distributed.
6. Transfer Mixture: Pour the mixture into the prepared baking dish, pressing it down firmly and evenly.
7. Melt Chocolate: In a microwave-safe bowl, melt the semi-sweet chocolate chips in 30-second intervals, stirring between each until smooth.
8. Pour Chocolate: Once melted, pour the chocolate over the Butterfinger mixture and spread evenly with a spatula.
9. Drizzle Caramel: Drizzle caramel sauce over the melted chocolate layer; use a toothpick or knife to swirl the caramel in for a marbled effect.
10. Chill Bars: Place the baking dish in the refrigerator for about 2 hours, or until set firm.
11. Slice Bars: Once set, remove the bars from the baking dish using the parchment paper. Cut into squares or rectangles for serving.
12. Optional Garnish: Sprinkle sea salt over the top for an added flavor contrast before serving.

By following these steps, you will irresistibly transform simple ingredients into delectable Butterfinger Caramel Crunch Bars.