Preparation Steps

• Preheat the oven to 350°F. Line baking sheets with silicone mats or parchment paper.
• Combine flour, baking soda, and salt in a bowl and whisk together.
• Cream melted butter, peanut butter, brown sugar, and granulated sugar until smooth.
• Add egg and vanilla to the mixture and beat well.
• Gradually add dry ingredients to wet mixture, mixing until combined. Stir in Reese's Pieces.
• Scoop dough with a large scoop, roll into balls, and place on prepared baking sheets, about 2 inches apart.
• Flatten the dough slightly with the bottom of a glass, then bake for 10 minutes until edges are golden.
• Gently press additional Reese's Pieces into cookies while warm.
• Cool cookies on the baking sheet for at least 10 minutes before transferring to a wire rack.