In a small container, measure out peanut butter and almond butter.
Add butter and heavy cream to the nut butters.
Add erythritol and liquid stevia.
Mix everything well, so it is all combined. Leave butter in chunks so you get small chunks as you eat. (I'm very well known for eating it just like this.)
Let the mixture sit in the freezer for 20-40 minutes. You want it to get to a consistency you can work with.
Roll the mixture into serving sized balls and garnish with peanuts. If you like, you can also add sprigs of mint.