Preheat your oven to 350° and grease a 9 x 13 baking dish with a nonstick cooking spray

In a large bowl mix together the ingredients for your chocolate fudge cake

Pour your fudge cake into your greased baking dish and set aside

In a separate bowl, mix together your cream cheese, butter, peanut butter, and vanilla until well mixed

Mix in your powdered sugar 1 cup at a time until you add all 4 cups

Add your peanut butter mixture in spoonfuls to your chocolate cake mix and lightly spread around

Now sprinkle your Reese’s peanut butter cup halves and chocolate chips on top