This is the crossover we didn't know we needed, but now that it exists, I had to try it.

It tastes exactly as you think it would. There are plenty of mini-Reese's Pieces so there's lots to cover the entire chocolate bar. I love Reese's so there could've been even more and I would've been happy with it. One doesn't overpower the other.

Seriously, it's exactly what you think it'd be. These are available now. I found these at Walgreen's.