01 -
In a bowl, mix rolled oats, 1/2 cup peanut butter, honey or maple syrup, vanilla extract, and a pinch of salt until the mixture is well combined and cohesive.
02 -
Roll the mixture into small balls, then flatten each into rounds resembling cookies. Arrange on a parchment-lined tray.
03 -
In a separate bowl, blend 1/2 cup peanut butter with powdered sugar until smooth and creamy.
04 -
Spread a small amount of filling onto one cookie round, then top with a second cookie to form a sandwich. Repeat with remaining pieces.
05 -
Refrigerate the assembled sandwich cookies for 30 to 60 minutes to firm up before serving.
06 -
Enjoy the cookies chilled or at cool room temperature. Store leftovers covered in the refrigerator.