Pre-Heat oven time 350 degrees.
Pour flour, salt, cocoa & baking soda into a mixing bowl.
Mix well & set aside.
In large mixing bowl, add brown sugar, sugar, butter, milk, vanilla, peanut butter & egg.
Mix well.
Slowly add the dry ingredients into the wet ingredients bowl while mixing.
Mix in the Reese’s Pieces. Make sure to save a few for later!
On a non-stick or parchment paper lined pan, place tablespoon sized balls of dough evenly spaced.
Slightly flatten each ball with a spoon.
Bake for 12-15 minutes.
Remove from oven and transfer to a cooling rack.
Once cookies have cooled, add frosting.
Place a cookie on top to make a cookie sandwich.
Stick Reese’s Pieces and miniatures into the frosting.
Serve & enjoy!