Peanut Butter Cake with Peanut Butter Frosting

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If you have a peanut butter-loving family, they will love this Peanut Butter Cake with Peanut Butter Frosting recipe from the first melt-in-your-mouth bite. It features a tender peanut butter-flavored cake made from scratch with a deliciously creamy peanut butter cream cheese frosting.

A fork with a piece of peanut butter cake with peanut butter frosting.

The only thing better than a homemade peanut butter cake is a peanut butter cake with peanut butter frosting. I am grateful to my dear family friend, Kate Burhop, for sharing her grandmother’s recipe with me and I was so excited to make it for my peanut butter-loving family. This is similar to my old-fashioned yellow cake with peanut butter fudge icing.

However, this time we’re making a cake from scratch that includes peanut butter, sugar, butter, eggs, and buttermilk (it’s the Southern way) for ultimate tenderness and moistness. Yes, this cake melts in your mouth, even without the frosting.

The other difference is that instead of an old-fashioned peanut butter icing, this peanut butter frosting is made with cream cheese, peanut butter, and powdered sugar. That cream cheese twang really differentiates the two and this one is creamier compared to the other icing’s fudge consistency.

It may sound like there’s a lot going on, but let me tell you, this is such an easy peanut butter cake recipe. You just have to slowly combine the cake ingredients together, which takes no time at all. Then bake them for about 35 minutes and while cooling, mix the frosting ingredients together. Then you can ice the cake however you want.

I just know you’re going to love this Peanut Butter Cake recipe as much as I do. The peanut butter flavor is so good, y’all. The peanut butter lover in your life will fall head over heels for it! It’s the first cake Kate learned to bake from scratch and her most requested dessert recipe. In just one bite you’ll know exactly why! Just don’t forget to serve it with a glass of milk (trust me).

Ingredients for peanut butter cake with peanut butter frosting.

Recipe Ingredients

  • Self-rising flour
  • Granulated sugar
  • Baking soda
  • Creamy peanut butter
  • Cream cheese (check out our recipe for easy-peasy homemade cream cheese)
  • Powdered sugar
  • Unsalted butter or margarine
  • Eggs

How to Make Peanut Butter Cake With Peanut Butter Frosting

Place sugar in mixing bowl.

Place sugar…

Place butter in mixing bowl.

Butter…

Place peanut butter in mixing bowl.

Peanut butter…

Place eggs in mixing bowl.

And eggs in a mixing bowl.

Mix ingredients together.

Mix with an electric mixer until well combined and smooth.

In a separate bowl, combine the self-rising flour with baking soda.

In a separate bowl, combine the self-rising flour with baking soda.

I don’t sift. Neither did Mamaw. A spoon works just fine for this.

Slowly combine dry and wet ingredients.

Then alternate between adding the flour mixture to the peanut butter mixture

Slowly add buttermilk to peanut butter cake batter as well.

With adding the buttermilk as well.

Peanut butter cake batter.

When you’ve finished mixing your ingredients, the cake batter should look something like this.

Now using cooking spray, grease your pans. This cake is enough to fill three 8-inch cake pans.

You can also bake it in a 9×13 baking dish if you’d prefer a peanut butter sheet cake and just ice it right in the pan.

However, today I have a bit of time on my hands and have decided to go with my “intuition” for something special.

Peanut butter cake in three pans.

If using three 8-inch pans, bake at 350 for about 35 minutes.

Time may vary slightly if you decide to use differently sized pans.

Allow them to cool for 10 minutes in the pans before turning out to cool completely.

For peanut butter frosting, mix together peanut butter and cream cheese.

Making the Peanut Butter Frosting

For the frosting, combine the peanut butter and cream cheese in a mixing bowl.

Add powdered sugar to mixing bowl.

Then add the powdered sugar…

Add milk to mixing bowl.

And the milk.

You may need to add an extra tablespoon or two of milk if the mixture is too thick. Alternatively, if the mixture becomes too runny for your tastes, add extra powdered sugar.

Adding peanut butter frosting to peanut butter cake.

Then add the frosting between the cooled cake layers and cover the entire cake.

Piping peanut butter frosting onto cake.

You can even pipe on some little accents if you’re feeling extra fancy.

But really, frost your cake however you wish!

I assure you it will taste just as good, if not better, slopped on the cake as it will when neatly decorated.

Slice of peanut butter cake with peanut butter frosting.

Now if you’ll excuse me, I’m going to dive into this delicious slice of Peanut Butter Cake with Peanut Butter Frosting.

Storage

  • Store leftover Peanut Butter Cake in an airtight container either at room temperature or in the fridge for up to 5 days. It tastes delicious when served chilled, so if you live in a warmer climate like here in the South, I recommend storing it in the fridge.
  • You can also freeze leftovers for up to 3 months. Thaw in the fridge or at room temperature before serving.

Recipe Notes

  • If you like, top your cake with a sprinkle of mini chocolate chips, chopped roasted peanuts, crushed peanut brittle, Reese’s Pieces, or pieces of Reese’s Peanut Butter Cup.
  • You want to use creamy peanut butter and not crunchy peanut butter, as the texture won’t work for the cake or frosting.
  • If you’d prefer a chocolate peanut butter cake, substitute the peanut butter frosting for my creamy chocolate frosting.

Check out these other peanut butter treats:

Peanut Butter Candy

Old-Fashioned Peanut Butter Icing

Peanut Butter Cheesecake Cookie Bars

Easy Homemade Peanut Butter Cookies

Peanut Butter Brownies with Peanut Butter Fudge Icing

Peanut Butter Pie

Slice of peanut butter cake with peanut butter frosting.

Peanut Butter Cake With Peanut Butter Frosting

This peanut butter cake with peanut butter frosting recipe features a cake made from scratch with peanut butter cream cheese frosting.
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes
Course: Dessert, Snack
Cuisine: American
Keyword: cake, frosting, icing, peanutbutter
Servings: 0

Ingredients

Peanut Butter Cake

  • 2 2/3 cups self-rising flour
  • 2 tsp baking soda
  • 2 cups sugar
  • 1/2 cup butter or margarine
  • 1 cup peanut butter
  • 2 eggs
  • 2 cups buttermilk

Peanut Butter Frosting

  • 4 cups powdered sugar
  • 1.5 cups peanut butter
  • 8 ounces cream cheese
  • 2 tbsp milk

Instructions

  • Place sugar, butter, peanut butter, and eggs in a mixing bowl and mix with an electric mixer until well combined and smooth.
    2 cups sugar, 1/2 cup butter or margarine, 1 cup peanut butter, 2 eggs
  • Mix together dry ingredients (self-rising flour and baking soda) in a separate bowl. Combine the dry ingredients and the wet ingredients alternately with the buttermilk.
    2 2/3 cups self-rising flour, 2 tsp baking soda, 2 cups buttermilk
  • Bake in three cake pans at 350 for about 35 minutes. Allow the cakes to cool for 10 minutes in their pans before turning out to cool completely.

Frosting

  • Combine peanut butter, cream cheese, powdered sugar, and milk. Beat with an electric mixer until smooth and creamy. You may need to add an extra tablespoon or two of milk if the mixture is too thick. Alternatively, if the mixture becomes too runny for your tastes, add extra powdered sugar.
    4 cups powdered sugar, 1.5 cups peanut butter, 8 ounces cream cheese, 2 tbsp milk
  • Spread between the cooled cake layers and around the entire cake.

Video

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If you aren’t grateful, you’re not paying attention.

Submitted by Mary Beth Manville

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153 Comments

  1. wow! this sounds really good I am gonna make this one for our family gathering this weekend as it is my job to bring the non chocolate deserts lol sister in law has those covered so this one and the nilla wafer cake it is . Thanks for a great web site.

  2. I made this for our church luncheon today (two 9in layers) and it was a big hit. Tastes great and looks pretty!

  3. I made this recipe for a family get together. My family said this “was off the chains”. And it was so simple to make. I will certainly be making this again.

  4. I meant to say – I usually say icing. Lately, I’ve begun adding frosting to my vocabulary, but just for variety.

  5. I made this recipe last night. It really was thicker than cake batter I normally make. I made it in an 8″x1.5″ pan and a 8″x3″. After 35 mins, the smaller pan was done, and I removed it from the oven… but opening the door made the deeper cake fall in the middle. 🙁 Fortunately, I wasn’t needing that third layer. It did give me a chance to taste it before serving it, though – it was great! The peanut flavour (of the unfrosted cake) is very subtle, and not at all overpowering. I’m sure I’ll make it again sometime (only I’ll follow the directions and make 3 pans). Thanks a bunch!

  6. Making this tomorrow for my daddy’s bday. He loves PB:) I’m always hesitant to try a new recipe for the first time before I take it somewhere….but if I can trust any home cook, it’d be Christy:):):)

  7. I am in posession of this cake right now, and all I can say is IT IS THE GREATEST CAKE IN THE HISTORY OF BAKING.

    The batter also would be good for cupcakes. Or just eating as is.

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