Step 1: Prepare Your Baking Dish - Start by greasing a 9x13 inch baking dish with a little butter or cooking spray.
Step 2: Melt the Butter and Marshmallows - In a medium saucepan over low heat, combine the unsalted butter and miniature marshmallows. Stir frequently until melted.
Step 3: Add the Peanut Butter - Remove from heat and stir in the creamy peanut butter until smooth.
Step 4: Combine with Rice Krispies - In a large mixing bowl, pour the Rice Krispies cereal, then pour the melted mixture over it. Stir gently.
Step 5: Fold in the Peanut Butter Cups - Gently fold in the quartered peanut butter cups.
Step 6: Transfer to Baking Dish - Pour the mixture into the greased baking dish and press down evenly.
Step 7: Melt the Chocolate - In a microwave-safe bowl, melt the milk chocolate chips in 30-second intervals until smooth.
Step 8: Drizzle with Chocolate - Drizzle the melted chocolate over the treats.
Step 9: Let It Set - Allow to cool at room temperature for about 30 minutes.
Step 10: Cut and Serve - Cut into squares or rectangles and serve.
