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Home » Dessert » Slow Cooker Peanut Butter Chocolate Cake

Slow Cooker Peanut Butter Chocolate Cake

by Sarah Olson on June 22, 2018 | Updated December 5, 2019 58 Comments

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collage of peanut butter chocolate cake for pinterest

Slow Cooker Peanut Butter Chocolate Cake is a dessert that you will want to make over and over.

close up of chocolate cake with warm peanut butter icing

Hello! Today I have a new dessert recipe for you. This one is very rich and decadent, so if you are hoping for a light dessert, look away. My first thought when I bought the items for this recipe was to do a poke cake with peanut butter cool whip frosting. Instead, I went with a sweetened melted peanut butter topping.

devil\'s food cake, resee\'s mini\'s, water eggs, peanut butter, butter in front of slow cooker

How to make Slow Cooker Chocolate Peanut Butter Cake:

  • In a large bowl mix together a deviled food cake mix, eggs, melted butter, and water. Stir in a small bag of mini resee’s peanut butter cups.
  • Spray an oval slow cooker with non-stick spray and pour the batter into it.
chocolate cake with warm peanut butter icing on top. With peanut butter cups on top.
  • Cover and cook on HIGH for 2 hours without opening the lid during the cooking time. 
  • When the cooking time is done combine melted peanut butter and powdered sugar. Pour this over the hot cake.
  • Top with halved bite-sized peanut butter cups.
  • Serve and enjoy!
chocolate cake in slow cooker with peanut butter icing, wooden spoon in it.

The topping in this recipe tastes like the peanut butter topping at Baskin Robbins. Every time I eat that peanut butter topping I don’t care if I’m ever skinny again. LOL

bowl of chocolate peanut butter cake with ice cream on top.

How to serve:

  • Scoop the warm cake into serving bowls.
  • Top with ice-cream or whipped cream.
peanut butter chocolate cake in slow cooker with wooden spoon in it.

Slow Cooker Peanut Butter Chocolate Cake

4.97 from 29 votes
Warm Chocolate Cake topped with melted peanut butter and chocolate peanut butter candy.
Print Pin Rate
Course: Dessert
Cuisine: American
Keyword: Chocolate Peanut Butter Cake
Prep Time: 15 minutes
Cook Time: 2 hours
Total Time: 2 hours 15 minutes
Servings: 10
Calories: 607kcal
Author: Sarah Olson

Equipment Needed:

  • Slow Cooker – 5-quart oval or larger

Ingredients:

  • 15.25 oz. devil’s food cake mix
  • 1 cup water
  • 1/2 cup salted butter, melted
  • 3 eggs
  • 8 oz. pkg. mini Reese’s peanut butter cups

For the topping

  • 1 cup creamy peanut butter
  • 3 Tbsp. powdered sugar
  • 10 bite size Reese’s peanut butter cups

Slow Cooker Size:

  • 6 quart oval
US Customary – Metric

Instructions:

  • In a large bowl mix together the cake mix, water, butter, and eggs until smooth. Some lumps are ok, that is normal. Stir in the mini peanut butter cups.
  • Spray the slow cooker with non stick spray. Add the batter to the slow cooker and spread out into an even layer.
  • Cover and cook on HIGH for 2 hours without opening the lid during the cooking time.
  • When the cooking time is done, remove the cake from the heat, to keep it from continuing to cook.
  • In a small pan set over medium heat on the stove top, add the peanut butter. Stir until melted and smooth, watch closely because it will burn quickly. Add the powdered sugar and whisk until smooth.
  • Pour over the sweetened peanut butter over the warm cake. Top with cut up Reese’s peanut butter cups.
  • Serve and enjoy! Great with ice cream or whipped cream.

How to Video:

Recipe Notes:

Nutritional values are approximate. Please use your own calculations if you require a special diet. The values below are for 1/10 of the recipe.

Nutrition:

Calories: 607kcal | Carbohydrates: 57g | Protein: 13g | Fat: 39g | Saturated Fat: 13g | Cholesterol: 75mg | Sodium: 682mg | Potassium: 430mg | Fiber: 3g | Sugar: 37g | Vitamin A: 370IU | Calcium: 109mg | Iron: 3mg
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More Slow Cooker Dessert Recipes:

  • Slow Cooker German Chocolate Spoon Cake
  • Slow Cooker Lemon Spoon Cake
  • Slow Cooker Pineapple Spoon Cake
  • Slow Cooker Pumpkin Spoon Cake
  • Slow Cooker Chocolate Lava Cake
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    Filed Under: Dessert, Most Popular Recipes Tagged With: Cake, chocolate, Crock pot, crockpot, dessert, peanut butter, reese's, slow cooker, warm dessert

    Comments

    1. Joanne says

      February 8, 2021 at 5:23 pm

      5 stars
      This is the most delicious chocolate cake with the peanut butter icing! You won’t be disappointed! ❤️❤️❤️

      Reply
    2. Anna says

      February 2, 2021 at 3:41 am

      5 stars
      OMG this looks simply delish.

      Reply
    3. Marilyn Tyree says

      January 29, 2021 at 5:29 pm

      5 stars
      I have tried this twice and it burns before it gets done. I have a new crock pot, and it works great with other stuff. Any suggestions?

      Reply
      • Sarah Olson says

        January 29, 2021 at 7:27 pm

        It may cook a touch too hot for cakes. Are you leaving the lid on?

        Reply
    4. sally says

      January 29, 2021 at 3:45 pm

      I like to make one pot things. Im old and buy myself It would be nice to see easet stuf to make for one with left overs.

      Reply
    5. Kim says

      January 28, 2021 at 5:34 pm

      Can this be made in a 9 x 13 crockpot?

      Reply
      • Sarah Olson says

        January 28, 2021 at 8:07 pm

        I’m sure you can Kim. May not take as long for it will make it thinner.

        Reply
    6. Debbie Irvin says

      November 7, 2020 at 12:05 pm

      Hi will this work in a round crock pot, or will that be too small?

      Reply
      • Sarah Olson says

        November 7, 2020 at 12:33 pm

        It may be too small. You could cut it in half.

        Reply
    7. Winnie says

      October 18, 2020 at 4:22 pm

      Easy and delicious ,

      Reply
    8. Courtney Brooks says

      September 5, 2020 at 6:30 pm

      What’s the best way to store what is left?

      Reply
      • Sarah Olson says

        September 5, 2020 at 6:58 pm

        If you have room in the fridge you can put the entire slow cooker insert and lid in there. Or spoon into a large storage container.

        Reply
    9. Rob says

      May 29, 2020 at 5:48 pm

      Not bad

      Reply
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