01 -
Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper or a silicone mat.
02 -
In a medium bowl, combine peanut butter, sugar, egg, and vanilla extract. Stir until smooth and combined.
03 -
Scoop tablespoon-sized portions of dough and roll into balls. Place on baking sheet, 2 inches apart. Use a fork to press down in a crisscross pattern.
04 -
Bake for 8-10 minutes until edges are set. Centers will firm up as they cool.
05 -
Let cookies cool on baking sheet for 5 minutes, then transfer to a wire rack to cool completely.