Preheat the oven to 180°C (356°F).
In a bowl, mix together peanut butter, eggs, and erythritol.
Add almond flour and knead the dough.
Shape the dough into balls and place them on a baking sheet.
Use a fork to press patterns onto the surface.
Bake in the oven at 180°C (356°F) for 10-12 minutes.
Let cool and serve.