Preparation Steps

• Preheat oven to 375°F (190°C). Line baking sheets with parchment paper.
• In a large bowl, cream together the softened butter and peanut butter until smooth.
  0.75 cup unsalted butter
• Add the granulated sugar and brown sugar and beat until light and fluffy.
  0.75 cup unsalted butter
• Beat in the egg and vanilla extract until well combined.
  0.75 cup unsalted butter
• In a separate bowl, whisk together the flour, baking soda, and salt.
  0.75 cup unsalted butter
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
• Roll dough into 1-inch balls and place them about 2 inches apart on the prepared baking sheets.
• Use a fork to press down on each cookie in a crisscross pattern.
• Bake for 10-12 minutes, or until the edges are lightly golden brown and the centers are still slightly soft.
• Let the cookies cool on the baking sheets for a few minutes before transferring them to a wire rack to cool completely.