Let cream cheese and peanut butter sit at room temperature until softened for easier mixing
In a bowl, combine softened cream cheese, creamy peanut butter, and sweetener until fully smooth and well-mixed
Scoop small portions of the mixture and roll them into bite-sized balls with clean hands
If desired, gently press crushed dark chocolate chips onto the outside of each ball or mix them in before shaping
Arrange completed fat bombs on a baking sheet lined with parchment paper
Freeze the fat bombs for about 2 hours or until solid
Transfer to an airtight container and keep chilled or frozen until ready to enjoy