In your mixer combine dry brownie mix, the egg, cream cheese and butter.Spread into an 8x8 pan lined with nonstick foil.Press the pb cups into the batter so they are pushed in and not raised.Bake approx 35- 40 minutes at 350 and let cool.Electric mix everything until smooth and spread on brownies.Chill to set up.Drizzle on the melted chocolate.