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Fudgy Peanut Butter Cake Recipe

Fudgy Peanut Butter Cake Recipe

I clipped this cake recipe from a newspaper years ago. The house smells great while it's cooking. My husband and son enjoy this slow-cooked dessert with vanilla ice cream and nuts on top. —Bonnie Evans, Norcross, Georgia
TOTAL TIME: Prep: 10 min. Cook: 1-1/2 hours YIELD:4 servings


  • 1/3 cup whole milk
  • 1/4 cup peanut butter
  • 1 tablespoon canola oil
  • 1/2 teaspoon vanilla extract
  • 3/4 cup sugar, divided
  • 1/2 cup all-purpose flour
  • 3/4 teaspoon baking powder
  • 2 tablespoons baking cocoa
  • 1 cup boiling water
  • Vanilla ice cream


  • 1. In a large bowl, beat the milk, peanut butter, oil and vanilla until well blended. In a small bowl, combine 1/4 cup sugar, flour and baking powder; gradually beat into milk mixture until blended. Spread into a 1-1/2-qt. slow cooker coated with cooking spray.
  • 2. In a small bowl, combine cocoa and remaining sugar; stir in boiling water. Pour into slow cooker (do not stir).
  • 3. Cover and cook on high for 1-1/2-2 hours or until a toothpick inserted near the center comes out clean. Serve warm with ice cream. Yield: 4 servings.
Editor's Note: Reduced-fat peanut butter is not recommended for this recipe.

Nutritional Facts

1 piece: 348 calories, 13g fat (3g saturated fat), 3mg cholesterol, 160mg sodium, 55g carbohydrate (39g sugars, 2g fiber), 7g protein.

Reviews for Fudgy Peanut Butter Cake

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my3pugs User ID: 3791569 264914
Reviewed Apr. 20, 2017

"absolutely horrible. It smelled & tasted very odd."

Franniefly8 User ID: 8184685 260752
Reviewed Feb. 4, 2017

"Very good recipe, it worked well and the kids loved it. I would have liked a stronger peanut butter taste but that's me, maybe I will add some more PB next time. Whipped cream because we didn't have icecream, very good!"

plb1028 User ID: 8195819 244335
Reviewed Feb. 23, 2016

"This was a delicious cake and so easy. Never made any cakes in a crock pot but this was very good."

Loiscooks User ID: 3656565 35889
Reviewed Nov. 16, 2014

"I made 1-1/2 recipe because my crock pot is larger than 1-1/2 qts. I used more peanut butter, but it still did not have a strong enough peanut butter taste. We all agreed that this was just okay. I will not make it again."

zmarie User ID: 1401063 64685
Reviewed Jan. 4, 2014

"This is fantastic! I followed the recipe, and it was a big hit. I'll definitely be making this again; it's the perfect dessert size for two adults and a kiddo on a busy week night!"

l2bake User ID: 2030987 107312
Reviewed Jul. 20, 2013

"Wonderful! Made it 2x now. Once the way the recipe says and once chocolate version. I used nutella in place of the peanut butter and served that version with mint chocolate chip ice cream. very good :)"

Shelia Mae User ID: 3717410 43537
Reviewed Aug. 6, 2012

"I just LOVED this but it just made a tiny, tiny bit. I think it is made in a little bitty crock pot. Is that correct? What do I need to do to increase the recipe?"

MzExpeess User ID: 3236415 80916
Reviewed Mar. 9, 2012

"Very disappointing, odd flavor. No one in my adult family liked it and we all "love" dessert. Was a waste of time and ingredients. I'll stick to the original hot fudge cake recipe."

nannyto15 User ID: 1591097 130602
Reviewed Nov. 23, 2011

"This makes a great dessert warm with ice cream yummyyy"

janstarry User ID: 2023447 43536
Reviewed Oct. 19, 2011

"Very yummy, except...I forgot to add the sugar to the cocoa mixture. DO NOT leave out the additional sugar (my big boo boo!). Next time I will try adding the chocolate chips, as well. Great dessert~"

elgemomof2 User ID: 4023921 80914
Reviewed Oct. 9, 2011

"I must have done something wrong....It smelled really good and toothpick came out clean, however when I went to cut into it; it was all soupy on the that the way it's supposed to be? I cooked it in my mini (1qt) crock and it only has 1 setting for 2 hours....maybe that was the problem. I will have to try it again because what we did it was nummy!"

mclehman98 User ID: 1535996 43530
Reviewed Oct. 8, 2011

"So easy and so yummy! I love that I can put the kids to bed and my husband and I can enjoy this together. I have a larger crock pot (5 or 6 qts?). I 1 and 1/2 the recipe and it worked great. I also added a small handful of chocolate chips and added them between the two layers. There was a lot of melty chocolate, but that is the point, right? This is definitely on my do-again list :)"

2011summer User ID: 6114529 64678
Reviewed Oct. 6, 2011

"Could this be baked in an oven?"

kihuhn User ID: 3235263 87576
Reviewed Oct. 6, 2011

"I haven't tried this, so I won't rate it yet, but it sounds delicious. There were comments about not enough peanut butter flavor, so instead of putting chocolate chips on top of the cake like one reviewer suggested, I will try adding peanut butter chips."

momax2 User ID: 1024666 36762
Reviewed Nov. 16, 2010

"I've made this recipe since it came out in the mag . . . absolutely easy and delicious. Makes just enough for my family of four."

WendiLynne User ID: 4566754 46240
Reviewed Nov. 3, 2010

"I only had reduced peanut butter and used it even though it wasn't recommended. DON'T DO IT! The cake didn't set up like a cake at all, just an ooey-gooey mess. It smelled wonderful though! I will try again with FULL flavored PB this time."

crazy4recipe User ID: 5519009 46230
Reviewed Oct. 15, 2010

"This is nice !!"

ella016 User ID: 3449655 53670
Reviewed Feb. 21, 2010

"Very tasty! Peanut butter flavor is mild but it's a warm, gooey cake. Who can resist? I realized my crock pot was going to be too large for the recipe so I made it in the oven set at 200-225 degrees for about 2 hours. Topped with whipped cream, it was delicious! Next time, I would add more peanut butter to increase the PB flavor."

gindon User ID: 2387575 64677
Reviewed Mar. 19, 2009

"RE: Fudgy Peanut Butter cake--This cake is excellent, but I would like to try baking it in the oven. I served it with vanilla ice cream. Yummm! Even if I don't figure out how to do it in the oven, I am definitely going to be using this recipe again."

enewport User ID: 1727428 53668
Reviewed May. 9, 2008

"Wonderful! My whole family loved this dessert, I added about 3/4 cup of chocolate chips to the crock pot after the cake mix was in there. I don't know if it made a differnece, but it sure was a tasty treat. This will be a keeper in our home!!!!"

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