Preheat the oven to 180°C (356°F).
In a bowl, combine peanut butter, erythritol, almond flour, and eggs. Mix well.
Shape the dough into balls and place them on a baking sheet.
Press the tops of the cookies with a fork to create a pattern.
Bake in the oven at 180°C (356°F) for 12 minutes.
Let the cookies cool completely before eating.