Step 1: Preheat the Oven - Begin by preheating your oven to 350°F (175°C).
Step 2: Prepare the Baking Pan - Line a 9x9 inch baking pan with parchment paper.
Step 3: Mix the Brownie Batter - In a large mixing bowl, combine cocoa powder, granulated sugar, light brown sugar, and salt. Whisk together.
Step 4: Add Wet Ingredients - Stir in melted butter and vanilla extract, then fold in flour until just incorporated.
Step 5: Bake the Brownies - Pour the batter into the pan and bake for 20-25 minutes. Let cool completely.
Step 6: Prepare the Peanut Butter Filling - In a bowl, combine peanut butter, powdered sugar, melted butter, and vanilla extract. Mix until smooth.
Step 7: Add Crunch - Fold in Rice Krispies into the peanut butter mixture.
Step 8: Assemble the Bars - Spread the peanut butter mixture over the cooled brownie layer.
Step 9: Make the Chocolate Coating - Melt chocolate chips in a microwave-safe bowl.
Step 10: Coat the Bars - Pour melted chocolate over the peanut butter layer.
Step 11: Chill and Set - Refrigerate for at least 2 hours until set.
Step 12: Slice and Serve - Lift out of the pan, slice into squares, and enjoy!
