Chocolate and Peanut Butter Texas Sheet Cake

Prep Time 10 minutes
Cook Time 30 minutes
Additional Time 30 minutes
Total Time 1 hour 10 minutes
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This Chocolate and Peanut Butter Texas Sheet Cake has a moist one-bowl chocolate cake base topped with creamy peanut butter frosting!

Chocolate and Peanut Butter Sheet Cake: starts with a one bowl moist chocolate cake, then a layer of creamy peanut butter frosting and finished with a layer of rich dark chocolate ganache!

This is my 21st dessert recipe on this blog that combines chocolate and peanut butter. It’s obviously an obsession of ours. We buy peanut butter in insane amounts and go through it in record time.

We use it in everything from savory to sweet recipes, but mainly for breakfast and snacks. The girls love peanut butter mixed in their honey yogurt and I love it on toast with a drizzle of honey. We eat both of these things almost daily. I have tried using different nut butters to keep it fresh, but nothing beats peanut butter in our little world.

Chocolate and Peanut Butter Sheet Cake: starts with a one bowl moist chocolate cake, then a layer of creamy peanut butter frosting and finished with a layer of rich dark chocolate ganache!
Chocolate and Peanut Butter Sheet Cake: starts with a one bowl moist chocolate cake, then a layer of creamy peanut butter frosting and finished with a layer of rich dark chocolate ganache!

So when I created that absolutely amazing White Texas Almond Sheet Cake, Jorge immediately asked me to make him a peanut butter and chocolate version.

It took me a little while to get it perfect, but I nailed it. The fact that the entire cake was gone in a day (don’t worry – kids, neighbors and family all helped) says a lot too. ;-)

Chocolate and Peanut Butter Sheet Cake: starts with a one bowl moist chocolate cake, then a layer of creamy peanut butter frosting and finished with a layer of rich dark chocolate ganache!

Easy Texas Sheet Cake Recipe

The base is an amazing one-bowl chocolate cake that cooks in the oven in about 20 minutes. Then you top the cake with a layer of creamy peanut butter frosting. Finally, you finish it off with a rich dark chocolate ganache.

If you are feeling extra chocolate-y, you can swap out the peanut butter frosting for a thin layer of my favorite Chocolate Buttercream Frosting (I recommend making a half batch). 

The whole cake takes about an hour and is SO worth it! It’s like a Reese’s Cup…but in perfect cake form. If you feel like going over the top, you can sprinkle chopped up Reese’s Cups on top of the finished cake!

P.S. I have this awesome heavy duty jelly roll pan that I make all my sheet cakes in (I also use it to bake all my cookies on since it’s huge). It’s a worthwhile investment to have a nice heavy duty one on hand.

Piece of Chocolate and Peanut Butter Sheet Cake on a white stand with a fork and scattered chocolate chips
4.6 from 21 votes
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Yield: 15 servings

Chocolate and Peanut Butter Texas Sheet Cake

This Chocolate and Peanut Butter Texas Sheet Cake has a moist one-bowl chocolate cake base topped with creamy peanut butter frosting!
Prep Time10 minutes
Cook Time30 minutes
Additional Time30 minutes
Total Time1 hour 10 minutes

Ingredients

Cake

  • 1 cup (2 sticks) unsalted butter, melted and cooled for 5 minutes
  • 1 cup whole milk
  • ½ cup sour cream
  • 2 cups granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1 ½ cups all purpose flour
  • ½ cup cocoa powder
  • 1 teaspoon baking soda
  • ½ teaspoon salt

Peanut Butter Layer

  • ¾ cup creamy peanut butter
  • 6 tablespoons unsalted butter, softened
  • 1 teaspoon vanilla extract
  • ¼ teaspoon salt
  • 1 cup powdered sugar
  • 2 tablespoons regular milk

Chocolate Frosting

  • ¾ cup (1 1/2 sticks) unsalted butter, melted
  • cup milk
  • cup light corn syrup
  • 1 tablespoon vanilla extract
  • 6 oz dark chocolate, chopped
  • 3 cups powdered sugar, sifted

Instructions 

Cake:

  • Preheat oven to 350°F. Grease a 13 x 18 jelly roll pan with butter or spray with Baker’s Joy.
  • In a large bowl, whisk together melted butter, milk, sour cream and sugar. Whisk in egg and vanilla extract. Then whisk in flour, cocoa powder, baking soda and salt.
  • Pour batter into prepared jelly roll pan and bake for 20 minutes, or until a toothpick inserted in the center comes out clean. Let cake cool for 10 minutes then start on peanut butter layer.

Peanut Butter Layer:

  • Cream peanut butter and regular in a stand mixer. Add in vanilla and salt. Gradually add powdered sugar, one half cup at a time, beating well on medium speed. Scrape sides and bottom of bowl as needed.
  • When all sugar has been mixed in, icing will appear dry. Add milk, one teaspoon at a time, and beat at medium speed until light and fluffy.
  • Spread one thick and even layer on the top of the cake. Then prepare the chocolate glaze.

Chocolate Frosting:

  • Combine butter, milk, corn syrup, and vanilla extract in small saucepan and heat over medium heat until butter is melted. Decrease the heat to low, add the chocolate, and whisk until melted.
  • Remove from heat, add the powdered sugar, and whisk until smooth. Let chocolate glaze sit for 5 minutes until it has cooled slightly and started to thicken just a little bit.
  • Then slowly pour on top and push towards the edges. Let chocolate frosting harden – about 30 minutes. Serve!

Nutrition

Serving: 1 slice, Calories: 725kcal, Carbohydrates: 85g, Protein: 8g, Fat: 42g, Saturated Fat: 23g, Polyunsaturated Fat: 3g, Monounsaturated Fat: 13g, Trans Fat: 1g, Cholesterol: 101mg, Sodium: 276mg, Potassium: 273mg, Fiber: 3g, Sugar: 69g, Vitamin A: 949IU, Vitamin C: 0.1mg, Calcium: 68mg, Iron: 3mg

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20 Responses
    1. A woman holding a camera standing in front of some shelves.
      Jessica

      Hi Peg – I have not tried freezing it before. it’s always gone in a day LOL. But if you try it, please come back and let us all know how it turns out for others who may want to freeze it. :-) 

  1. Peg

    I recently made your White Texas Almond Sheet cake and it was everything it was said to be. Completely delicious and easy. I’m wondering how this Chocolate and Peanut Butter Texas Sheet Cake will keep. I’m having a party and I want to make it  a couple days ahead. Thanks.

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      It is best eaten in the first 48 hours, if you can make it the day before, that would be the best option! 

  2. Sharon H

    This sounds amazing but Couldn’t you just add peanut butter to the hot  chocolate icing in the regular Texas Sheet cake recipe?  For an easier, quicker version I mean. 

    1. A woman holding a camera standing in front of some shelves.
      Jessica

      You could also bake it in a 13×9 casserole pan. It will take longer to bake and the cake itself will be thicker and not a true sheet cake, but it will taste the same!

  3. Jamielyn@iheartnaptime

    This looks AMAZING! Genius idea to add the peanut butter! And I just have to tell you that picture with your daughters is the cutest picture ever!!

  4. Kimberly @ The Daring Gourmet

    Oh my goodness….I just dinner and am stuffed, but if I had this in front of me right now, I’d gladly make an exception! ;)

  5. Erin @ Dinners, Dishes, and Desserts

    Chocolate and peanut butter is my favorite flavor combo ever. We go through embarassingly large quantities of it at our house. This cake looks amazing, I love the peanut butter frosting layer!

  6. Laura @MotherWouldKnow

    Like you, I’m a huge fan of chocolate and peanut butter combinations. I’ve got a few combo recipes on my blog but nowhere near your 21. I’d love to try this one – it looks scrumptious!

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Jessica
For the past 15 years, Jorge & Jessica have loved getting to share their families' favorite recipes with all of you. They live in Florida with their 3 kids.