Killer Peanut Butter Cake

Peanut Butter Cake 8 sm

Two things:  1)  I need more food props, and 2) to quote my husband, “Every time you use the white table cloth and that plant it looks like something out of a 1970′s cookbook.”  (Thanks, Todd.  Love you, too.)

Combine points one and two:  No more 70′s food pics.  Need.  More.  Food.  Props.

Now for the subject of the actual photo:  This cake will kill you.

Seriously.  If you were to eat the whole thing your arteries would likely clog and you would go into cardiac arrest.

Notice the name of the cake?  Yeah. “Killer” has a double meaning here.

As much as I want to promote my food, I also feel a certain moral obligation to look out for you.  This is a straight forward, squeeky clean, honest cooking blog.  That means no deception, no taking advantage of, nothing that’s going to knowingly harm you in any way.

Which is why this cake comes with a warning label:  This cake is dangerous.  Eat in moderation only.

Still interested?  Then keep reading…

I created this cake by way of request from Elizabeth via the Make a Request! link.  She asked me if I would create a peanut butter cake that is “moist, peanuty and delicious,” like the kind she enjoyed from her childhood.  I didn’t have any more information than that to go on.  Sheet cake or layered?  Frosting or glaze?  Moist crumb or goopey?  So many options.  At first I was thinking along the lines of a peanut butter layered cake with a hot honey glaze drizzled over it and left to seep down into the cake, resulting in a super moist, slightly goopey texture.  Then maybe even add a layer of peanut butter frosting on top.  I may still get around to creating that.  In the end I settled for the more traditional version:  A peanut butter layer cake with a rich peanut butter frosting.  I went for oil instead of butter because oil makes cake nice and moist whereas butter tends to dry it out.  Buttermilk also does wonders for creating a soft and moist crumb.  So we’ve got both in here!

Peanut butter lovers – this is definitely the cake for you.

Is it good?  Oh, it’s good alright.  It’s also one of the most fattening cakes you will ever eat.

Again, the warning label:  This cake is extremely rich.  Killer rich.  Eat in moderation only.

Still interested?  Okay…here are the directions.  But don’t say I didn’t warn you.

*  Now, if you want to cut back on calories (and save yourself some work), bake the cake in a 9X13 square cake pan as a sheet cake and make half the amount of frosting to go on top (the “death factor” in this cake lies primarily in the frosting).

Also, for a moister, goopier version, see notes in recipe box.  I haven’t actually tried this, merely conceptualized it in my mind, but I think it would work wonderfully ;)

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So happy to have you on board!

Alright, let’s go to that killer cake!

Combine the brown sugar, oil, and peanut butter in a large mixing bowl.

Peanut Butter Cake prep 1

Beat until combined and add the eggs and vanilla extract.  Continue to beat until combined.

Peanut Butter Cake prep 2

In a medium bowl, sift the flour, baking powder, baking soda and salt.

Peanut Butter Cake prep 3

Alternately add the flour and buttermilk, beating just until combined.  Do not over-beat or the cake will be dense and dry.

Peanut Butter Cake prep 4

It’s okay if there are a few small lumps of flour.

Peanut Butter Cake prep 5

Grease a 9×3 inch round baking pan and pour the batter in.  (I used 9×3 – a 9×2 inch pan should be fine, too).  I use the hand-forged aluminum pan by Magic Line, made in the USA.  Love it!

Peanut Butter Cake prep 6 Peanut Butter Cake prep 7

Bake in a preheated oven at 350 degrees F for about 30 minutes or until a toothpick inserted into the middle comes out “moist” – not wet with batter, but moist.  If it’s dry, it’s over-baked and the cake will be dry.

Peanut Butter Cake prep 8

Let the cake sit in the pan for 5 minutes before inverting it onto a wire rack to cool completely.

Peanut Butter Cake prep 9

To make the frosting, place the peanut butter and butter in a large mixing bowl.

Peanut Butter Cake prep 10

Cream the two together until smooth.

Peanut Butter Cake prep 11

Add the powdered sugar one cup at a time.  Add the heavy cream a little at a time until the frosting becomes a spreadable consistency.  Note:  This is a fairly stiff frosting.  Be sure to keep it at room temperature or will be stiffen even more.

Note:  For a chocolate frosting, simply add a couple of tablespoons of good quality cocoa powder.

Peanut Butter Cake prep 12 Peanut Butter Cake prep 13

Cut the cake in half.

Peanut Butter Cake prep 14

Spread the bottom half with frosting, frosting down the sides as well.

Peanut Butter Cake prep 15

Place the top layer on top.  Ignore the picture.  I accidentally put it on wrong and I didn’t want to try and pick it up again.  The top cake layer should have been put on upside down so that the top edges don’t slope down.

But if the cake’s going to kill you anyway, what does it matter if it wasn’t perfect, right?

Peanut Butter Cake prep 16

Oh, I forgot to mention.  I faced a serious challenge here.  You’ll remember from my Peanut Butter Sandwich Cookies With Nutella Marshmallow Cream Cheese Frosting that I absolutely LOVE the combination of peanut butter and Nutella.  I probably stood at my kitchen table staring at this jar of Nutella for a good 10 minutes, debating whether or not to add some to the frosting or maybe swirl some into the batter.  Or a swirled peanut butter Nutella frosting… Oh, it was so hard deciding what to do!  In the end I decided to stick to the classic peanut butter cake.

Sorry, my dear, beloved, adored Nutella.  Don’t take this as a rejection.  It just means I have more of you to enjoy for another time.

Peanut Butter Cake prep 17

Spread the frosting on the top layer and down the sides.

Peanut Butter Cake prep 18

This is where you can now become creative with your cake decorating skills.  Piping, crumbled up Reese’s Peanut Butter Cups, you name it.  My 3 year old was eagerly waiting for me to take him and his baby sister to Petco to see the animals, so I kept it simple.

Another variation:  Pour some chocolate ganache over it for some ultra decadence!

Peanut Butter Cake prep 19

Warning:  Do not cut yourself a piece as big as the one in the subsequent pictures.  Start with a sliver.

Peanut Butter Cake 2 sm Peanut Butter Cake 3 sm

Killer Peanut Butter Cake
 
:
Serves: 8-10
Ingredients
  • For the Frosting:
  • 1 cup natural, unsweetened peanut butter
  • ½ cup unsalted butter, softened
  • 3 cups powdered (confectioner’s) sugar
  • up to ½ cup heavy cream (at room temperature)
  • For the Cake:
  • 1½ cups all-purpose flour
  • 2 teaspoons baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • ⅓ cup vegetable oil
  • ⅓ cup natural, unsweetened peanut butter
  • 1 cup brown sugar
  • 2 large eggs
  • 1 cup buttermilk
  • 1 teaspoon vanilla extract
Instructions
  1. Preheat the oven to 350 degrees F.
  2. In a medium bowl, sift the flour, baking powder, baking soda and salt. Set aside.
  3. In a large mixing bowl, add the peanut butter, oil, and brown sugar. Beat until combined and creamy. Add the eggs and vanilla extract and beat just until combined.
  4. Alternately add the flour and buttermilk to the wet mixture, beating just until combined. Be careful not to over-beat or the cake will be dense and dry. A few small lumps of flour is fine.
  5. Grease a 9X3 inch round baking pan (I use Magic Line pans)
  6. Pour the batter into the pan.
  7. Bake for about 30 minutes or until a toothpick inserted into the middle of the cake comes out moist (not wet with batter but moist. If the toothpick is dry, the cake is over-baked and will be dry).
  8. Let the cake sit in the pan for 5 minutes, then invert the cake onto a wire rack to cool completely.
  9. In the meantime, to make the frosting, place the peanut butter and butter in a large mixing bowl. Beat until smooth and creamy. Add the powdered sugar one cup at a time, continuing to beat. Add the heavy cream until you reach a spreadable consistency. (Note: This is a fairly stiff frosting)
  10. Cut the cooled cake in half horizontally. Frost the bottom half of the cake and down the sides. Place the top layer of the cake, upside down, on top of the bottom layer. Frost the top layer and down the sides.
Notes
To cut back on calories (and save yourself some work), bake the cake in a 9X13 square cake pan as a sheet cake and make half the amount of frosting to go on top. Also, for a more moist and goopey version, prepare the sheet cake. In a small saucepan bring ¼ cup honey, ¼ cup brown sugar and 2 tablespoons of butter to a boil. Remove from heat. Poke some holes throughout the sheet cake and drizzle the honey glaze evenly over it. Allow to cool completely and then frost (remember, half the recipe amount for the frosting). Note, I haven’t actually tried this version, merely conceptualized it in my mind, but I think it would work ;) Note: For chocolate frosting, add a couple of tablespoons of good quality cocoa powder.
*Variation: Add Nutella to the frosting
*Another variation: Pour some chocolate ganache over it for ultra decadence!

 

Peanut Butter Cake 3_edited