1-Line a cupcake pan with cupcake liners: Line a cupcake pan with cupcake liners and set aside.
2-In a medium bowl, mix together peanut: In a medium bowl, mix together peanut butter, sugar, and vanilla until smooth.
3-Transfer the peanut butter mixture to a: Transfer the peanut butter mixture to a pastry bag or ziploc bag with a small section of the corner cut off.
4-Melt the chocolate melting wafers in a: Melt the chocolate melting wafers in a medium microwave-safe bowl for 30-second intervals, stirring between each one, until fully melted.
5-Add 2 teaspoons of melted chocolate to: Add 2 teaspoons of melted chocolate to the bottom of each liner.
6-Pipe the peanut butter mixture on top: Pipe the peanut butter mixture on top of the chocolate.
7-Top the peanut butter with 1 tablespoon: Top the peanut butter with 1 tablespoon of melted chocolate.
8-Place in the refrigerator for about 1: Place in the refrigerator for about 1 hour to set.
9-Remove and enjoy: Remove and enjoy.