01 -
Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with cooking spray.
02 -
In a large mixing bowl, prepare the chocolate cake mix according to package instructions (typically adding oil, eggs, and water). Whisk until smooth.
03 -
Pour the cake batter into the prepared baking dish, spreading it evenly.
04 -
In a mixing bowl, combine the softened cream cheese, butter, peanut butter, and vanilla extract. Mix with an electric mixer until smooth and creamy.
05 -
Gradually add the powdered sugar, one cup at a time, mixing well after each addition until fully incorporated.
06 -
Spread the peanut butter cream cheese frosting evenly over the cake batter in the baking dish. Sprinkle chocolate chips over the frosting layer and scatter halved Reese's peanut butter cups over the top, pressing them slightly into the frosting.
07 -
Bake in the preheated oven for 45-50 minutes, or until a toothpick inserted into the center comes out clean.
08 -
Remove from the oven and allow the cake to cool on a wire rack.
09 -
Once cooled, cut the cake into slices. Serve each slice with a scoop of vanilla ice cream for the ultimate indulgence.