# Step-by-Step Instructions:
01 - Set the oven to 350°F and line a baking sheet with parchment paper.
02 - Combine peanut butter, sugar, and egg in a medium bowl, stirring until smooth and fully blended.
03 - Scoop tablespoon-sized portions of dough, roll into balls, and space them 2 inches apart on the baking sheet.
04 - Gently flatten each dough ball with a fork, creating a crisscross pattern on the surface.
05 - Bake for 9 to 11 minutes until edges are set and tops begin to crack.
06 - Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.