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Crock Pot Peanut Butter Cup Cake

Crock Pot Peanut Butter Cup Cake is maybe the easiest cake recipe in baking history! Made with cake mix, peanut butter, peanut butter cups, pudding, and more, this simple crock pot cake recipe is perfect for when it’s too hot to bake!

Peanut Butter Cup Cake Crock Pot Recipe

So this cake happened today.
Like realllly happened.

I started it.
I went to the pool and watched my kids do 40 million cannonballs.
I came home.
And waiting for me was a cake.
In a crock pot.


This is, in fact, real life.
And there are peanut butter cups involved.

Because I love you.
And after you eat this cake you will love me too.

Crock Pot Peanut Butter Cup Cake.
Did you hear me? IN A CROCK POT!

I’m caking like it’s 1983.

How to Make This Crock Pot Cake Mix Dessert:

A bowl of chocolate batter with mini peanut butter cups on top
Side view of a stainless steel slow cooker

Just mix up your ingredients.
And since we’re in the 80’s, let’s start with a cake mix.
Then put it in your crock.
What a crock it is.
And wait a bunch of hours.
I suggest you get on with your life during this time.
Watching the crock pot work is a losing battle, folks.

A serving of crock pot peanut butter cake in a bowl with vanilla ice cream

After the longest 6 1/2 hours of our life you should eat.
With ice cream.

Good gosh almighty.

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Crock Pot Peanut Butter Cup Cake

  • Author: Cookies & Cups
  • Prep Time: 5 mins
  • Cook Time: 7 hrs
  • Total Time: 7 hrs 5 mins
  • Yield: serves 10 1x
  • Category: Dessert
  • Method: Crock Pot
  • Cuisine: American


Crock Pot Peanut Butter Cup Cake is maybe the easiest cake recipe in baking history! Made with cake mix, peanut butter, peanut butter cups, pudding, and more, this simple crock pot cake recipe is perfect for when it’s too hot to bake!


  • 1 (18.25 oz) pkg chocolate cake mix
  • 1 1/2 cups sour cream
  • 1/2 cup peanut butter
  • 1 (3 or 4 oz) pkg of instant chocolate pudding mix any size will be fine
  • 1 cup mini peanut butter cups, or 1 cup chopped peanut butter cups
  • 3/4 cup vegetable oil
  • 4 eggs
  • 1 cup water


  1. Spray crock pot with non stick spray. I used my 8 qt crock pot.
  2. Mix all ingredients together and pour in crock.
  3. Cover and cook on low for 6 1/2-7 hours until center is set.
  4. Serve warm with ice cream.


Cook times may vary slightly based on your crock pot…low on some might be higher than on others.
Also, the cake is very loose, more like a pudding-cake.


  • Serving Size: 1 bowl
  • Calories: 542
  • Sugar: 26.1 g
  • Sodium: 470.5 mg
  • Fat: 34.7 g
  • Carbohydrates: 50.1 g
  • Protein: 10.2 g
  • Cholesterol: 87.3 mg

Keywords: crock pot cake recipe, how to make cake in a crock pot, chocolate cake recipe, peanut butter chocolate cake recipe, peanut butter cup cake recipe, homemade crockpot cake recipe, easiest cake recipe

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90 comments on “Crock Pot Peanut Butter Cup Cake”

  1. Sad to say I made this last night and was really disappointed. It tasted nothing like peanut butter cups and was really oily. I followed the directions exactly , but it just didn’t taste very good. I will not be making it again πŸ™

  2. Hi I just made this cake and left, ran some errands, went to a movie and came back so excited to eat it! BUT it was burnt all on the outside and we tried the inside but it tastes terrible, nothing like peanut butter cups. Very disappointed :/ I cooked it for 6.5 hours, and followed the ingredient list exactly… Not sure what went wrong but won’t be making this one again.

    1. I made this today. I made it exactly like the recipe said. It cooked on low for 5 1/2 hours and it was burnt on the outside. The consistency was weird and it tasted ok. I was very disappointed and I won’t be making it again.

      1. I suppose crock pots temperatures all vary, which probably is the reason for yours burning. Low on one brand, might be higher than the low on another. Sorry it didn’t turn out for you! I’m going to give this another try in a different crock to test. Thanks for the feedback!

  3. This looks delicious! We have ice cream socials at church and this will be a big hit! πŸ™‚


  4. Did you ever stir it? I had my crock pot on low and started smelling a burning smell just after two hours… The inside isn’t looking done. I’m not sure if I was suppose to stir here and there or my crock might just be a hotter one.

    1. NOpe, no stirring at all! Hope it didn’t burn. Sounds like maybe your crock runs a little hot. The cake will be very “loose” though..more of a pudding cake πŸ™‚

  5. I noticed that in the photo the crockpot temperature is set to low. Have you experimented with a higher temperature/shorter cooking time? I want to make it tonight but don’t have 6.5 hours to wait πŸ™

    1. I haven’t ever made this on high…I would imagine that it would work, but again, I haven’t ever tried it!

  6. Do you mix the cake mix like making a normal cake? And do you mix the pudding mix with the water like normal or just mix the powder mix with the other ingredients?

  7. Stephanie Bennett

    Want to make this but do i make the cake mix, like a cake mix with the eggs, oil and such and make the pudding with the liquids too? OR do i just add all the ingredients as they are and add them all in and they eventually work it out? HELP!!!

  8. I found this on pinterest and I’m making it today because I’m having some gal friends over for dessert – can’t wait! I know the house is going to smell so good!

  9. Looking forward to having this tomorrow. Sounds like there are lots who haven’t cooked dessert in crock pot…. Just FYI, if you place a towel UNDER the lid, the condensation collects on the towel and doesn’t drip back onto your cake.

  10. Sharon Chaffee

    Chocolate and Peanut butter?? IN A CROCKPOT??? This is beyond brilliant! And, I live in a house with 2 little boys and 3 chocolate/peanut butter addicted adults…..We’re doomed. But only in the best possible way!!

    Thanks for another doozy, Shelly!

  11. CROCKPOT? You`re killing me! This sounds super amazing and gooey and omg, i need to have this NOW. πŸ˜€

  12. Erin @ Dinners, Dishes, and Desserts

    Why didn’t I see this this morning. I just wait for 3 hours to have my oil changed, and had my kid with me. Definitely could use this now that I am finally home!

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