These beauties go by many names; Peanut Butter Confetti Squares, Butterscotch Confetti Squares, Peanut Butter Marshmallow Squares, Peanut Butter Butterscotch Marshmallow Squares, and pretty much every other variation of the like. Regardless of what name you associate with this dessert, we can all agree that they’re full of nostalgia and superbly delicious. Of all the retro…