Peanut Butter Texas Sheet Cake

Every tender morsel has an enjoyable peanut butter flavor with a rich icing making this Peanut Butter Texas Sheet Cake recipe so memorable.

Moist piece of Texas Peanut Butter Sheet Cake on a stack of white plates with a fork resting by the cake on a blue and white napkin.

Peanut Butter Texas Sheet Cake Recipe

Using peanut butter creates a simple twist on a familiar favorite sheet cake to make a dessert that people rush to at potlucks and parties.

Peanut butter is a popular and familiar ingredient that is sweetened to make a delicious sheet cake. A variation of our super delicious White Texas Sheet Cake the warm peanut butter flavor differentiates this recipe.

If you don’t have buttermilk simply mix regular milk with lemon juice or white vinegar for a simple substitute.

This Texas Sheet Cake is not as rich as our Chocolate Texas Brownies and has a warmer flavor that matches the creamy light brown color of the cake.

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Sweet peanut butter frosting on top of a piece of moist peanut butter Texas sheet cake on a white plate with a fork leaning on the plate and sheet cake next to the plate.

Like the Amish peanut butter spread and the filling in this Peanut Butter Pie you can’t eat just one bite and stop!

Why This Recipe Works:

  • Simple ingredients that you probably have in the pantry mix together to make a special cake that is so enjoyable to eat.
  • When cut into smaller pieces a thin sheet cake with peanut butter icing creates reasonable sized dessert servings for a big group.
  • This cake is very easy to make, but is unique enough to be a conversation piece at carry-ins and parties.
Close up piece of peanut butter Texas sheet cake show a moist, thin layer of cake coated with rich peanut butter frosting and a fork and full sheet cake in the background.

Ingredients Needed:

  • All-Purpose Flour
  • Granulated Sugar
  • Baking Powder
  • Salt
  • Butter
  • Water
  • Creamy Peanut Butter
  • Eggs
  • Vanilla Extract
  • Butter Milk
  • Powdered Sugar
  • Milk
Ingredients needed to make Texas peanut butter sheet cake are flour, sugar, butter, eggs, vanilla extract, creamy peanut butter, butter milk and milk on a brown counter top.

Step By Step Instructions

Begin by making the sheet cake.

Lightly coat a 10 x 15 jelly roll pan with non-stick cooking spray.

In a large mixing bowl sift flour, sugar, salt and baking soda together.

Powdered sugar in a white mixing bowl on a brown wooden counter top.

Put a medium sized sauce pan or a skillet on the stove over medium heat.

Add butter, water and peanut butter.

Chunks of butter and peanut butter in a small black skillet with peanut butter.

Stir occasionally to prevent sticking to the bottom and burning. Bring the mixture to a boil.

Butter, peanut butter and milk in a sauce pan boiling over medium heat in a black pan.

Then pour peanut butter mixture into the flour mixture.

Warm peanut butter and milk mixture poured over powdered sugar in a white mixing bowl.

Mix everything in the bowl well.

White spatula stirring up peanut butter icing in a mixing bowl.

Lightly beat eggs, mix in vanilla and buttermilk.

Pour this mixture into the peanut butter based cake batter. Stir it all together.

Beaten eggs poured over peanut butter cake batter in a white mixing bowl.

Stir together and pour the batter into the jelly roll pan. Bake in a preheated 350℉ oven for 15 to 20 minutes until a toothpick put in the center comes out clean.

Allow the cake to rest about 10 minutes and begin making the icing.

Make The Peanut Butter Icing

In the same sauce pan or skillet melt another stick of butter, peanut butter and milk over medium heat.

Stick of butter and drop of peanut butter melting in a black skillet.

Stir regularly and bring it to a boil.

Butter, water and peanut butter boiling in a skillet.

Measure out powdered sugar and vanilla into a small mixing bowl.

Pour peanut butter mixture into the bowl of dry ingredients and mix well.

White spatula stirring together peanut butter frosting mixture.

Work quickly so icing is still warm. Warm icing will spread most easily over a warm cake.

Pour evenly over top of the warm cake.

Batch of peanut butter icing poured over the center of a warm peanut butter Texas sheet cake.

Spread out the peanut butter icing over top of the sheet cake with a silicone spatula or butter knife.

Over head view of light brown frosting on a Texas Sheet Cake with Peanut Butter Frosting on a blue and white striped napkin.

Allow icing to set up and stiffen before cutting or covering with plastic wrap.

Recipe Tips & Tricks

  • Creamy Peanut Butter is a must for this recipe and cannot be substituted for crunchy or the texture of the cake and icing will change.
  • If you don’t have buttermilk take 1/2 cup of regular milk and add 1/2 tablespoon lemon juice or vinegar to make homemade buttermilk.
  • Need to time out the steps so that you spread warm icing over a warm cake and know that the icing sets ups fast, so have all tools needed set out before beginning the process.

More Easy Cake Recipes

This Easy Turtle Cake starts with a box mix and adds a layer of caramel, pecans and chocolate chips to become even more memorable!

We love how this Sour Cream Coconut Cake tastes better when made a few days ahead of time.

Pumpkin Carrot Cake has a few ingredients to make a delightful fall dessert!

Square piece of Peanut Butter Texas Sheet Cake with a light brown peanut butter frosting and a silver fork in the background.

Peanut Butter Texas Sheet Cake

Servings 24 pieces
Jennifer @ Plowing Through Life
Every tender morsel has an enjoyable peanut butter flavor with a rich icing making this Peanut Butter Texas Sheet Cake recipe so memorable.
5 from 1 vote
Prep Time 20 minutes
Cook Time 20 minutes
Total Time 40 minutes

Ingredients
  

Peanut Butter Texas Sheet Cake

  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1/2 teaspoon salt
  • 1 teaspoon baking soda
  • 1 cup butter
  • 1 cup water
  • 1/4 cup creamy peanut butter
  • 2 eggs beaten
  • 1 teaspoon vanilla extract
  • 1/2 cup buttermilk

Peanut Butter Icing

  • 1/2 cup butter
  • 1/4 cup creamy peanut butter
  • 4 tablespoons milk
  • 4 cups powdered sugar
  • 1 teaspoon vanilla extract

Instructions
 

Peanut Butter Texas Sheet Cake

  • Using a large mixing bowl sift together flour, sugar, salt and baking soda; set aside.
  • In a sauce pan over medium heat combine butter, water and peanut butter. Stir occasionally to bring to a boil.
  • Pour peanut butter mixture into the flour mixture.
  • Combine eggs, vanilla and buttermilk; add to peanut butter mixture and mix well.
  • Spread into a greased 10×15 jelly roll pan.
  • Bake in an oven preheated to 350℉ for 15 to 20 minutes until a tooth pick inserted in the center comes out clean.

Peanut Butter Icing

  • Combine butter, peanut butter and milk in a saucepan over medium heat and bring to a boil.
  • Remove from heat and stir in powdered sugar and vanilla; mix well.
  • Work quickly and pour icing over warm cake. Spread out quickly and evenly with a butter knife and allow to set up.

Nutrition

Calories: 325kcalCarbohydrates: 46gProtein: 3gFat: 15gSaturated Fat: 8gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 0.5gCholesterol: 45mgSodium: 221mgPotassium: 62mgFiber: 1gSugar: 37gVitamin A: 387IUCalcium: 19mgIron: 1mg

Nutritional Disclaimer

“Plowing Through Life” is not a dietitian or nutrition professional. Any nutritional information shared is an estimate and can vary greatly depending on specific products are used. If calorie count and other nutritional values are important to you, we recommend running the ingredients through an online nutritional calculator of your choice.

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2 Comments

  1. 5 stars
    Most Texas Sheet CAkes are a variation of the same cake. This is something new and refreshing! Thanks for the share.

    1. Jennifer @ Plowing Through Life says:

      Thank you and I hope you enjoy 🙂

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