The Pioneer Woman Tasty Kitchen
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Peanut Butter Sheet Cake

4.53 Mitt(s) 13 Rating(s)13 votes, average: 4.53 out of 513 votes, average: 4.53 out of 513 votes, average: 4.53 out of 513 votes, average: 4.53 out of 513 votes, average: 4.53 out of 5

Prep:

Cook:

Level: Easy

System:

24

Description

Almost too rich! My grandmother’s recipe.

Ingredients

  • 2 cups Sugar
  • 1 teaspoon Baking Soda
  • 2 cups Flour
  • 1 teaspoon Salt
  • 2 sticks Butter
  • 1 cup Water
  • 1 cup Peanut Butter
  • ½ cups Milk
  • 1 teaspoon Vanilla
  • 2 whole Eggs
  • 1 stick Butter
  • ½ cups Peanut Butter
  • 6 teaspoons Milk
  • 1 pound Powdered Sugar

Preparation

In a large bowl, mix together sugar, baking soda, flour and salt. Set aside.

Combine butter, water and peanut butter in saucepan and bring to boil. Pour over flour mixture.

Add milk, vanilla and eggs. Mix.

Pour in large cookie sheet or jelly roll pan. Bake at 400F degrees for 20 minutes.

Frosting:

Bring butter, peanut butter and milk to boil in saucepan. Add one pound of powdered sugar. Pour warmed frosting over cooled cake.

8 Comments

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Avatar of Jennifer

Jennifer on 1.26.2014

Delicious cake! I like the fact that since it is a sheet cake it is a ‘thinner’ cake. Also, regarding the comments about the oils separating; that is normal! Once you mix it with your flour mixture it is absorbed.

Avatar of Wanda Wynn

Wanda Wynn on 2.26.2012

I made this this weekend and OMGoodness! It is too die for!!!! This will be my birthday cake! If you love peanut butter you GOTTA make this!! Thank you, thank you to the person who submitted it! It goes in my list of all time favorites!!

Avatar of Jamie

Jamie on 12.6.2011

It requires a little more milk for the frosting, but otherwise it is WONDERFUL! I cut the baked cake in half, put half of the cake in a 9×13 pan, put half the frosting on top, and repeated. This just made it easier to store.

Avatar of baernie

baernie on 11.11.2011

I need help fellow cooks and bakers… when I made this icing the butter/oils completely separated from the sugar and peanut butter, even though I followed the recipe exactly! I am an experienced cook/baker and have never seen this happen! Any thoughts or suggestions? The more I stirred, the more butter seemed to “squeeze out of the sugar/peanut butter mixture.
Also, I baked the cake at the time specified but the bottom is burned. Anyone else have that trouble?

Avatar of krismccorm

krismccorm on 4.11.2011

AMAZING! If you love peanut butter, do not make this cake- you are dooming yourself to severe self-punishment when you have consumed half the tray! It was like eating big slabs of peanut butter fudge. Super delish. The cake cooked in exactly 20 min at 400, I almost put it back in for a couple extra minutes because it didn’t look really done, but it was. The frosting needed some extra milk for me. Can’t wait to make this again!

13 Reviews

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Avatar of Heather

Heather on 1.17.2013

Making this for my daughter’s birthday for the second year in a row at her request. I make this exactly as posted and it is fabulous!

Avatar of c2drvrswyf

c2drvrswyf on 5.31.2012

My son loves it – he had me cut him a slice as soon as the icing went on! Icing was crumbly until I added more milk, and kept stirring over low heat.

Avatar of Melinda

Melinda on 5.16.2012

This cake was very tasty! Actually the frosting was very tasty, the cake itself could have used a bit more peanut butter taste in my opinion, but I like a strong flavor. It was super easy to make and I had no issues with the frosting-didn’t need to add or adjust to it in any way, other than to refrigerate it a bit after pouring to help it harden up. Also should have sifted the powdered sugar before adding to the mix, so tip for future users! All in all a great cake that is moist, easy to make and a crowd pleaser-my co-workers raved about it!

Avatar of h6675bug

h6675bug on 5.8.2012

I added an extra third of a stick of butter and about 1/2 cup of powdered sugar to the frosting. This was delicious!

Avatar of debhintze1

debhintze1 on 4.25.2012

I made this cake exactly as the recipe states. It was wonderfully moist and so, so delicious. I had no problems with the frosting being too thick. It was perfection! In fact, I am going to make it for a luncheon we are having at work next week.

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