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Reese's Pumpkin Bundt Cake

Reese’s Pumpkin Bundt Cake is a tender bundt cake filled with pumpkin pie spice and topped with a smooth chocolate ganache and Reese’s Peanut Butter Cups.  This delicious cake cooks up right in your Instant Pot to keep from heating up your house.
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Course: Dessert
Cuisine: American
Prep Time: 20 minutes
Cook Time: 20 minutes
Servings: 8 Slices
Calories: 671kcal


  • Instant Pot or Pressure Cooker


  • 2 C flour
  • 1 TBSP Pumpkin pie spice
  • 1 tsp Baking soda
  • 1 C unsalted butter softened
  • 1 ¼ C sugar
  • 1 large egg
  • 2 tsp pure vanilla extract
  • 1 C pure pumpkin puree
  • 2 ½ cups Reese Peanut Butter Cups chopped about 12 large peanut butter cups

Chocolate Ganache Ingredients

  • 1 cup semi sweet chocolate chips
  • ½ cup heavy whipping cream


  • Spray the instant pot bundt cake with pam baking spray and set aside
  • Using a small mixing bowl, whisk together the flour pumpkin pie spice
  • and baking soda until combined
  • Using a larger mixing bowl, beat together the butter and sugar until
  • light and fluffy
  • Beat in the egg and vanilla until combined
  • Beat in the pumpkin puree until smooth and combined
  • Gradually beat in the dry ingredients until combined
  • Fold in 1 ¼ C of the chopped Reese’s
  • Scoop batter into the bundt pan
  • Place a paper towel over the top of the bundt pan
  • Place a piece of foil over the paper towel and wrap the foil around
  • the paper towel and pan
  • Pour 1 ½ C of water into the instant pot
  • Place the bundt cake onto the trivet and place the trivet into the pot
  • Lock the lid in place and close the pressure release valve
  • Set the timer on manual, high pressure for 20 minutes

Chocolate Ganache Directions

  • Using a small pot, heat up the heavy whipping cream until slightly boiling
  • Pour chocolate chips into a heat safe bowl
  • Pour heavy whipping cream over the chocolate chips and whisk until smooth
  • Pour the ganache over the cake and let sit for a few minutes
  • Sprinkle chopped Reese all over the top
  • Allow ganache to set before cutting and enjoying!


You can bake this cake at 325 degrees for 45 minutes.  Make sure to check the center with a toothpick for dinner. 


Serving: 1Slice | Calories: 671kcal | Carbohydrates: 73g | Protein: 7g | Fat: 40g | Saturated Fat: 24g | Cholesterol: 104mg | Sodium: 198mg | Potassium: 273mg | Fiber: 4g | Sugar: 43g | Vitamin A: 5735IU | Vitamin C: 1mg | Calcium: 55mg | Iron: 4mg