01 -
Line a square 9x9 baking dish with parchment paper.
02 -
Add the peanut butter and softened butter to the bowl of a stand mixer and beat on medium speed with a paddle attachment until combined thoroughly, scraping down the sides as it blends.
03 -
Add the vanilla extract and blend on low speed. Slowly add the powdered sugar and continue mixing until a dough forms. If the mixture is too wet, add more powdered sugar sparingly.
04 -
Transfer the peanut butter mixture to the lined pan and press it down firmly into the corners using your fingers or the back of a wooden spoon.
05 -
In a microwave-safe bowl, add the chocolate chips and coconut oil. Microwave for 30 seconds, stir, and heat for another 20-30 seconds until melted.
06 -
Pour the melted chocolate mixture over the peanut butter layer and use a spatula to spread the chocolate evenly across the surface.
07 -
Place the bars in the refrigerator for approximately 2 hours to allow the chocolate to harden completely.
08 -
Top with sea salt, if desired, before serving.