Slow Cooker Chocolate Peanut Butter Cake

Slow Cooker Peanut Butter Chocolate Cake

 

This easy to make Slow Cooker Chocolate Peanut Butter Cake makes a wonderful picnic or potluck dessert. Since it cooks in the crock pot there’s no need to heat up the kitchen.

Desserts have become one of my favorite things to make in the slow cooker and they are especially convenient for the hot months of the year.. We’ve already had some scorching hot days in South Carolina. It doesn’t do any good to turn the oven on when the air conditioner is already fighting against 90 degree heat outside.

Slow Cooker Peanut Butter Chocolate Cake

 

Chocolate and peanut butter is always a winning combination. Especially when there are lots of peanut butter cups involved.

The cake batter is made from a box of chocolate cake mix with peanut butter mixed in. The cake only takes about 1 hour and 45 minutes on HIGH in the crock pot.

Once the cake is done, it is covered with a peanut butter glaze and mini peanut butter cups, the kind that are individually wrapped. I cut them in half and use a large quantity of them, about 26.

Slow Cooker Peanut Butter Chocolate Cake

 

Feel free to use as many peanut butter cups as you want. I don’t think there is such a thing as too many peanut butter cups.

Slow Cooker Peanut Butter Chocolate Cake

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Slow Cooker Peanut Butter Chocolate Cake
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Slow Cooker Chocolate Peanut Butter Cake
Prep Time
15 mins
Cook Time
1 hrs 45 mins
Total Time
2 hr
 

A chocolate and peanut butter flavored cake covered with peanut butter glaze and lots of chopped peanut butter cups.

Course: Dessert
Servings: 12 servings
Calories: 450 kcal
Author: Christin Mahrlig
Ingredients
  • 1 box chocolate cake mix
  • 1 cup water
  • 3 eggs
  • 1/2 cup creamy peanut butter
  • 1/3 cup butter, softened
Peanut Butter Glaze
  • 1/4 cup creamy peanut butter
  • 1/4 cup milk
  • 1 cup powdered sugar
Toppings
Instructions
  1. Spray a 6-quart oval slow cooker with cooking spray.
  2. Using an electric mixer, beat cake mix, water, eggs, 1/2 cup peanut butter, and butter on low speed for 30 seconds and then on medium speed for 2 minutes.
  3. Pour batter into slow cooker. Cover and cook on HIGH for 1 hour 45 minutes to 2 hours.
  4. (If your crock pot runs hot, check after 1 hour and 30 minutes.)
  5. Remove slow cooker insert and place on a wire rack to cool for 15 minutes.
  6. Make glaze. Whisk together peanut butter, milk, and powdered sugar in a medium bowl. Spread on top of cake.
  7. Sprinkle fudge sauce and peanut butter cups on top.

Adapted from Betty Crocker.

More Slow Cooker Desserts

Crock Pot Pecan Pie

Slow Cooker Lemon Cake. This crock pot cake is moist and has lots of fresh lemon flavor.

Slow Cooker Lemon Cake

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17 thoughts on “Slow Cooker Chocolate Peanut Butter Cake

  1. Has anyone tried using parchment paper in their slow cooker so you could “lift” the cake out? Thanks for your help.

  2. I was searching on crockpot shepherds pie but since its winter in Maine, Im willing to turn the oven kn and make it there, juuust to try this evilly delicious looking crockpot cake! Been using a crockpot for years but never for dessert. Wish me luck and I dont mind gaining a pound to try this!! 😉

  3. Can someone tell me why it has to be an OVAL slow cooker?? I only have a round one. I really would love to make this for Thanksgiving. Thanks!!

  4. An added tip. Use a Crock Pot liner. You can lift the cake out of the pot to cool, before adding toppings. Makes for a lovely visual display, you can slice the cake for serving, and the crock pot stays clean.

  5. I made this tonight and it was insanely good! Just made 2 substitutions: instead of peanut butter I used JIF Peanut Butter & Chocolate Whips (because I wanted the PB to Choc ratio to tip slightly in favor of chocolate) and I used frozen Reese’s Minis (the unwrapped ones in a bag) instead of the miniatures (no unwrapping or cutting). I used pretty much the whole bag (except for the 10 I sampled to make sure it was a good bag…LOL!).

    I ended up using Duncan Hines Swiss Chocolate cake mix because I just prefer the brand, and I couldn’t find the plain chocolate mix.

    But this was great! And thanks for the tip to check @ 1 hour 30 mins because mine was done then. The cake itself was so moist and tasty…but the glaze and topping just sent it over the top! Thanks for such an easy and yummy recipe! This is the first time I made a cake in the crock pot and thanks to you, it was a perfect experience. Well, except for the 10lbs I’m going to gain enjoying it! LOL!

  6. Wow. This is so tempting! It would definitely be the showstopper at a potluck. And you’re right: there definitely is no such thing as too many peanut butter cups!

  7. Oh boy, this is amazing! I’ve never ever used my slow cooker for dessert and wow! Chocolate and PB is pretty irresistible and it looks so tempting with those peanut butter cups on top!

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