Peanut Butter Texas Sheet Cake: A Decadent Delight

Emily

July 19, 2025

Overtime, I’ve discovered that the best recipes are those that bring joy and comfort, and this Peanut Butter Texas Sheet Cake does just that. It’s a rich, moist cake that’s perfect for any gathering, combining the classic flavors of peanut butter and chocolate in a way that’s sure to impress.

Why This Recipe Works

  • The combination of peanut butter and chocolate creates a rich, irresistible flavor profile that’s hard to beat.
  • Using a sheet pan ensures the cake is thin and moist, with the perfect ratio of cake to frosting.
  • The recipe is straightforward, making it accessible for bakers of all skill levels.
  • It’s a crowd-pleaser, perfect for potlucks, parties, or any occasion that calls for a delicious dessert.

Ingredients

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

Equipment Needed

  • Large mixing bowl
  • Sheet pan (18×13 inches)
  • Saucepan
  • Whisk
  • Measuring cups and spoons

Instructions

Peanut Butter Texas Sheet Cake

Preheat and Prepare

Preheat your oven to 350°F and grease your sheet pan with butter or non-stick spray. This ensures your cake won’t stick and will come out perfectly every time. Tip: Lining the pan with parchment paper can make removal even easier.

Mix Dry Ingredients

In a large mixing bowl, whisk together the flour, sugar, baking soda, and salt. This combination forms the base of your cake, ensuring it’s fluffy and light. Make sure to whisk thoroughly to avoid any lumps.

Combine Wet Ingredients

In a saucepan over medium heat, bring the water, butter, and peanut butter to a boil. Once boiling, remove from heat and let cool slightly. This step melds the flavors together beautifully. Tip: Don’t skip the cooling step to prevent cooking the eggs when you add them later.

Bring It All Together

Add the peanut butter mixture to the dry ingredients, stirring until just combined. Then, whisk in the eggs, buttermilk, and vanilla extract. The buttermilk adds a slight tang and ensures the cake stays moist. Pour the batter into the prepared sheet pan, spreading it evenly.

Bake to Perfection

Bake for 20-25 minutes, or until a toothpick inserted into the center comes out clean. The edges should be lightly golden, and the center set but still soft. Tip: Rotate the pan halfway through baking for even cooking.

Tips and Tricks

For an even richer flavor, consider using dark chocolate frosting instead of the traditional peanut butter frosting. If you’re short on time, a store-bought frosting can work in a pinch, though homemade is always better. To ensure your cake is as moist as possible, don’t overbake it; keep a close eye during the last few minutes of baking. For those who love a bit of texture, sprinkling chopped peanuts on top of the frosting adds a delightful crunch.

Recipe Variations

  • Swap the peanut butter for almond butter for a different nutty flavor.
  • Add a layer of chocolate chips to the batter before baking for extra chocolatey goodness.
  • Top with a cream cheese frosting instead of peanut butter for a tangy contrast.
  • Incorporate a teaspoon of cinnamon into the dry ingredients for a warm, spicy note.

Frequently Asked Questions

Can I use natural peanut butter?

Yes, but ensure it’s well-stirred and smooth. Natural peanut butter can be a bit runnier, so you might need to adjust the amount slightly to achieve the right consistency.

How should I store the cake?

Store it in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate for up to a week, though the texture may change slightly.

Can I make this cake gluten-free?

Absolutely! Substitute the all-purpose flour with your favorite gluten-free blend. Just ensure it’s a 1:1 substitution blend for the best results.

Summary

This Peanut Butter Texas Sheet Cake is a must-try for anyone who loves the classic combination of peanut butter and chocolate. It’s easy to make, delicious, and perfect for any occasion.

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