Line 12 muffin cups with cupcake liners.
Melt ¾ cup of chocolate chips in 30-second intervals, stirring until smooth.
Spoon ½ tablespoon melted chocolate into each liner, spread evenly, and freeze 10 minutes.
Mix peanut butter, powdered sugar, and butter until creamy.
Scoop 2 teaspoons of peanut butter mixture into each liner, flatten, and freeze 10 minutes.
Add 1 teaspoon of marshmallow creme to each cup and smooth with a damp fingertip. Freeze another 10 minutes.
Melt remaining 1 cup of chocolate chips and cover each cup completely.
Freeze 10 minutes until firm. Peel liners and serve chilled.
