The new peanut butter cups seek to compete against King Reese's by offering a Butterfinger twist to the standard peanut-butter filling by the inclusion of pieces of Butterfinger trademark filling to add some crunch. The tagline on the packaging is "Smooth & Crunchy."
From the looks of it, Butterfinger Peanut Butter Cups will sport the same ridged outer-crust as Reese's but will have a rounded square shape rather than a circle.
I'm curious as to how the filling will play out as they describe it as smooth, whereas Reese's Peanut Butter cups contains something more like dried peanut butter.
