Peanut Butter Pie Sheet Cake

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IMG_0110Since my husband got home from Army training, I’ve made a deal with him. Before he left, he was solely responsible for getting dishes done. Why? Because I hate dishes. I’m testing recipes all the time, so they pile up fast. {The only bad part of food blogging.} Gord would be so busy that I’d end up doing them most of the time anyways–>he would strongly disagree with this statement.

SO, I devised a plan! Mwahahahaha…..

If I would do all the dishes {all day everyday} then he would do all the laundry {a million bajillion loads once a week}. Remember how much I dispise laundry? Well, nowadays, I’d much rather take dish duty than piles of dirty, poopy clothes.

I’m sure I’ll be begging to switch in approximately 17 days.

Anyways, lets talk CAKE. Peanut Butter Pie Sheet Cake to be exact. AKA my latest addiction AKA mommy crack AKA heaven AKA my pants don’t fit anymore.

When I was in San Jose just a few weeks ago, I had one of the tastiest peanut butter pies ever. That is saying a lot because we do a whole lot of peanut butter + chocolate eating at my house. So I came home dreaming about peanut butter pie. Somewhere along the way, I thought “why not make it in cake form?” so I did.


Here’s how you make it: make a basic chocolate sheet cake. {I used this recipe cause I’m a cheater. This one from PW is also delish.} Then whip up the filling to a peanut butter pie and throw that overtop of the cake. {I took the filling from this almost perfect pb pie recipe.} And, just because I can, I topped the whole thing with whipped cream, chocolate syrup and peanuts.

Are you drooling yet?

IMG_0100If you have a special event coming up, be sure to make this cake. It will blow peoples’ minds! Guaranteed. You’re welcome in advance. 🙂 Happy Wednesday indeed!

Peanut Butter Pie Sheet Cake

Peanut Butter Pie in cake form with lots of whipped cream for good measure! This is a dessert to die for!
servings 16 servings
Prep Time 3 hrs
Cook Time 20 mins
Total Time 3 hrs 20 mins


  • 1 recipe this chocolate cake
  • 1 recipe filling from this peanut butter pie
  • 2 cups whipped cream
  • 1/4 cup powdered sugar
  • 1 teaspoon vanilla
  • chocolate syrup optional garnish
  • chopped peanuts optional garnish


  • Make chocolate cake batter according to directions from this recipe. Spread into greased half sheet pan. Bake at 350 degrees for 15-20 minutes or until toothpick comes out with a few moist crumbs when inserted. Cool to room temperature.
  • Make peanut butter pie filling according to recipe directions. Spread over cooled cake. Place in refrigerator.
  • Whip cream with powdered sugar and vanilla until stiff peaks form. Spread overtop peanut butter pie filling. Top with chocolate syrup and chopped peanuts. Refrigerate 1-2 hours or until filling is set. Cut into squares and serve.


Calories: 595kcal | Carbohydrates: 86g | Protein: 1g | Fat: 27g | Saturated Fat: 12g | Cholesterol: 39mg | Sodium: 258mg | Potassium: 155mg | Fiber: 2g | Sugar: 68g | Vitamin A: 59IU | Vitamin C: 1mg | Calcium: 16mg | Iron: 10mg
Course: Dessert
Cuisine: American
Keyword: Peanut Butter Pie, sheet cake
Polaroid photo of granola bars

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Recipe Rating

39 Responses
  1. Karly

    I would take laundry over dishes any day of the week. Even poopy laundry!

    Love this cake! It looks so rich and heavenly!

  2. Stephanie @ Girl Versus Dough

    Oh my goodness — bless you for making this cake. I cannot WAIT to make it (and devour it, natch :))!

  3. StacyM

    I LOVE peanut butter pie, mmm just thinking about it on top of a moist chocolate sheet cake is sending me over the edge!

  4. Karli

    We started a Sunday dinner tradition recently…each Sunday we invite a different family over for dinner at our house. I know exactly which family is getting this cake/pie for their dessert. AMAZING!

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  6. Kathy

    I have a HUGE problem! The link to the peanut butter pie filling does not work. It says fatal error every time I click on it. I’ve gone to the site looking for the recipe and cannot find it. Can you help? This recipe for your cake does not work without it.

    1. Lauren

      That’s a problem with Jennie’s site {In Jennie’s Kitchen}. Sorry about that! The recipe for the peanut butter filling is the same on Shaina’s site here: . Just follow the directions for the pie filling and spread that on your cake. Enjoy!

  7. Gina

    Will definitely try this, sounds awesome! But didn’t your whipped cream melt or doesn’t it last that long lol? I use a sturdy whipped cream frosting with the addition of cream cheese if it’s going to be sitting out for awhile ( for wedding cakes & such) & it seems to work well. I use less or more depending on the situation or how thick I want it ;)…but I am for sure using it on this, my (grown!) sons will love this thank you!

  8. Susan

    I followed the link to the chocolate cake recipe, and there are places to “click here” for notes on revising recipe for new smaller cake mix size. None of those links work. Do you know what revisions are necessary?

  9. Vanessa S.

    I made this today for a Christmas party at work. It was fantastic! It was a huge hit and I came home with an empty pan, which made me very happy!

  10. Aubri

    Hey Lauren! I’ve made this recipe before, and it is so good, but it appears that most of the ingredient list has disappeared! Help!

  11. Jettie

    I can’t even find the peanut butter pie filling recipe. Can you use another PB pie filling from another recipe.? I am going to try that.. cause this looks so yummy.

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