Peanut Butter Cookie Sandwiches - The BakerMama

Ingredients

• 1/2 cup granulated sugar plus more for flattening
• 1/2 cup brown sugar
• 1/2 cup creamy peanut butter
• 1/2 cup (1 stick) butter, softened
• 1 egg
• 1-1/4 cups all-purpose flour
• 3/4 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/4 teaspoon salt
• 1 cup melted chocolate, chocolate-hazelnut spread, peanut butter, or jelly (for filling)