Crockpot Dessert Recipe – Peanut Butter Cup Cake

I hope you’re enjoying Slow Cooker Sunday as much as I am! Yum!
 This week I decided to try a crockpot dessert recipe from Stephanie’s site. I like the idea of having a yummy dessert ready for me.  We had a day full of soccer, running from one game to the next, so it was nice to know I had a warm Peanut Butter Cup Cake cooking away, ready for us upon our return. Soup would have been good too, but I was hankering for dessert.  If a dessert has peanut butter, I’m happy.  If it has chocolate AND peanut butter, I’m super happy. I would venture to say that most people adore the two mixed together and honestly…….I’m not quite sure I could trust anyone who didn’t.   It’s kinda like my “never date a man who wears more jewelry than me” rule when I was dating.

slow cooker Sunday


Slow Cooker Peanut Butter Cup Cake Recipe

After scooping this up into my dish, I was thinking it would go really well with a scoop of vanilla ice cream.  It would have been the perfect warm cake alamode.  Sadly we didn’t have any and I had to force myself to eat it without.

crockpot dessert recipe

It’s no secret how much I love Stephanie’s recipes.  I adore her recipes almost as much as I adore her.  She told me I could share them with you all anytime I wanted!  You can grab her cook books here. Stephanie’s Slow Cooker Recipe books


Crockpot Dessert Recipe – Peanut Butter Cup Cake
  • 1 cup all - purpose flour
  • 1 cup sugar (divided. this is important, don't just start dumping, read on!)
  • 1 teaspoon baking powder
  • 1 teaspoon kosher salt
  • ½ cup creamy peanut butter (unless you're a rebel, use chunky)
  • ½ cup milk
  • 1 tablespoon canola oil
  • 1 teaspoon vanilla extract
  • 3 tablespoons unsweetened cocoa poweder
  • 1 cup boiling water
  1. Use a 4-quart slow cooker coated well with cooking spray. In a mixing bowl, combine flour, ½ cup sugar, baking powder and salt.
  2. In the microwave, melt peanut butter for about 30 seconds, and then add to the mix along with milk, oil, and vanilla. Stir really well to combine.
  3. Spread this mixture into the bottom of your slow cooker.
  4. In a separate bowl, mix together cocoa powder, the remaining ½ cup of sugar, and 1 cup boiling water (be careful!) Pour this evenly over the peanut butter batter in your cooker.
  5. Cover and cook on high for 2-4 hours, or until the top has set and an inserted toothpick (into the cake--underneath the cake is molten chocolate) comes out clean. Let the cake sit uncovered in an unplugged crockpot for about 20 minutes, then serve warm in dessert bowls.

If you want Gluten Free, check it out on Stephanie’s Site, 365 Crockpot.

Do you have a slow cooker recipe you’d like to share with me?  Just shoot me an email.

If you love your crockpot as much as I do, you’ll like my other slow cooker Sunday recipes.




Owner/Founder at Today's Creative Blog
Since 2007, Kim has been sharing tips and tutorials on how to live a creative life. Owner/Founder of Today's Creative Blog and where inspiration happens everyday! From the Pacific Northwest, Kim is a busy mom who adores her teen son, her middle aged husband and is constantly wiping the muddy paws of her adorable Labradoodle Maybelline. In her spare time, she teaches fitness classes and loves to decorate with thrift store bargains. You can also find Kim once a month on Portland's AMNW Morning show as their "creative expert". Life is more fun when it's creative!





    • says

      I just followed what her recipe said. I think it took about 3 hours last night when I made it. It will also vary on the type of slow cooker you’re using. I notice that most slow cooker recipes will say 6-8 hours for low, always leaving a 2 hour window. This one doesn’t take long, so it’s definitely not a recipe you’d want to use if you’re going to be away for 8 hours. Good luck and let me know how it turns out.

      • says

        It is in the crockpot at this moment. I use my “old” (30 years old) crockpot which is taller and narrower. I have a newer one that is wider and not as deep – wonder if that makes a difference. A couple of weeks ago I made a berry cobbler (from Pinterest- but cannot remember source) and it looked nothing like the picture – took way longer to cook too. Tasted okay – but not nearly as pretty to look at.

  1. Holly P says

    Will have to try this! Love your thoughts on people who don’t like PB and chocolate, and men with more jewelry. I have a similar rule, never date a man with hair that is prettier and/or longer than mine:-)