Makes about 22 cookies, so think of it as about 77 calories per cookie.
Preheat the oven to 180°C (356°F).
In a bowl, mix together peanut butter, sugar, and eggs.
Shape the dough into balls and place them on a baking sheet.
Press the surface of each cookie with a fork to create a pattern.
Bake in the preheated oven for 10–12 minutes.
Cool to finish.