# Step-by-Step:
01 - Preheat oven to 350°F. Line a baking sheet with parchment paper.
02 - In a medium mixing bowl, thoroughly mix peanut butter, sugar, and egg until smooth.
03 - Scoop tablespoon-sized portions and roll into balls. Arrange on the baking sheet, spacing about 2 inches apart.
04 - Gently flatten each dough ball with a fork to form a crisscross design.
05 - Bake for 9 to 11 minutes, until edges are set and tops begin to crack.
06 - Remove from oven and cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.