½cupnatural peanut butterno sugar added, I use creamy
2Tbspsalted buttersoftened to room temperature
5TbspSwerve confectionersor another powdered sweetener
¼tspvanilla extract
Instructions
Melt the chocolate chips and cocoa butter in a double boiler over low heat. (I use a glass bowl over a saucepan of simmering water.)
Put about a teaspoon of melted chocolate in the bottom of each of the cups in the mold. Spread the chocolate up the sides of the molds with a very small spoon.
Flip upside down onto a silicone mat, then place in the freezer for about 10 minutes. Remove and spread chocolate over any holes or thin spots on the cups. Freeze for another 5-10 minutes.
While chocolate sets, prepare filling. Whisk together the peanut butter, Swerve, butter, and vanilla until smooth.
Fill chocolate cups almost to the top with peanut butter mixture. Use the remaining chocolate to cover the filling in each cup.
Carefully tap molds on the counter to flatten and remove any air bubbles. Freeze for 25-30 minutes or until chocolate is set.
Unmold the peanut butter cups. If they don't pop out easily, they aren't ready - freeze them for a few more minutes.
Store in the refrigerator for 2-3 weeks, or in the freezer for up to 2 months.
Notes
You can add more or less sweetener to the filling according to your taste preference.