Step 1: Prepare Your Dish - Grease a 9x13 inch baking dish with butter or cooking spray.
Step 2: Melt Butter and Marshmallows - In a large mixing bowl, combine the unsalted butter and mini marshmallows. Microwave on high for 1-2 minutes, stirring every 30 seconds until melted and smooth.
Step 3: Add Peanut Butter - Once melted, add the peanut butter and stir until creamy.
Step 4: Combine with Rice Krispies - Gently fold in the Rice Krispie cereal until evenly coated.
Step 5: Press Into Dish - Transfer to the prepared baking dish and press down evenly with a spatula.
Step 6: Melt Chocolate - In a microwave-safe bowl, combine chocolate chips and coconut oil. Microwave in 30-second increments until smooth.
Step 7: Pour Chocolate Over Bars - Drizzle melted chocolate over the Rice Krispie mixture and spread evenly.
Step 8: Chill and Slice - Refrigerate for 1 hour until set. Cut into squares and enjoy!
