01 -
Preheat oven to 350°F (175°C) and thoroughly grease a bundt pan to prevent sticking.
02 -
Combine chocolate cake mix, sour cream, creamy peanut butter, and eggs in a large mixing bowl. Stir until fully incorporated and smooth, ensuring no streaks remain.
03 -
Gently fold in peanut butter chips and chopped mini Reese’s peanut butter cups until evenly distributed throughout the batter.
04 -
Pour the prepared batter into the greased bundt pan, smoothing the surface with a spatula to create an even layer.
05 -
Bake for 30 to 45 minutes or until a toothpick inserted into the center comes out clean or with a few moist crumbs.
06 -
Allow cake to cool in the pan for 10 to 15 minutes, then carefully invert onto a wire rack to release completely.
07 -
Dust cooled cake with powdered sugar if desired. Slice and serve.