01 -
In a medium mixing bowl, combine peanut butter, powdered sugar, unsalted butter, vanilla extract, and sea salt. Blend with an electric mixer until smooth and thick. Set aside.
02 -
In a separate microwave-safe bowl, add milk chocolate chips. Microwave at 50% power for 1 minute. Add vegetable oil; continue microwaving in 30-second intervals at 50% power, stirring between each interval, until chocolate is fully melted and silky smooth.
03 -
Spoon approximately 1 teaspoon of melted chocolate into the bottom of each silicone mold, filling about one-third full.
04 -
Spoon a similar amount of the peanut butter mixture over the chocolate. Use your fingers to gently press and level the filling in each mold.
05 -
Add another layer of melted chocolate on top of the peanut butter mixture, ensuring it is fully covered and the mold is filled to the top.
06 -
Transfer the filled molds to the refrigerator and chill for at least 4 hours or overnight, until fully set.
07 -
Once fully set, carefully remove the peanut butter cups from the molds. Serve chilled or at room temperature.