3-ingredient peanut butter cookie

Preheat the oven to 350 F

In a medium bowl, mix together peanut butter, sugar and egg.

Scoop a spoonful of dough and roll with your hand into a ball. Place the cookie balls on a non-stick baking sheet.

For extra decoration and to make them cook evenly, flatten the cookie balls by pressing a fork on it. Press it down again o make a criss-cross pattern.

Bake for 8-10 minutes until the bottom of the cookie is golden brown.