Easy Texas Sheet Cake with Rich Chocolate Frosting

If you’re craving a dessert that’s deeply chocolatey, incredibly moist, and perfect for sharing, this Texas Sheet Cake is exactly what you need. Famous for its thin profile, bold cocoa flavor, and warm poured frosting, this classic Southern cake comes together quickly and feeds a crowd with ease. Whether you’re baking for a potluck, holiday, or casual family gathering, this rich chocolate sheet cake never disappoints.

Why You’ll Love This Texas Sheet Cake

This cake is beloved for good reason. Unlike layered cakes that require extra steps, Texas Sheet Cake is simple, fast, and wonderfully forgiving. The batter is mixed in one bowl, baked in a single pan, and topped with a glossy chocolate icing while still warm. The result is a dessert that’s soft, tender, and infused with chocolate flavor in every bite.

It’s also incredibly versatile. Serve it plain, add chopped pecans for crunch, or enjoy it chilled for a fudgier texture. Best of all, this recipe uses pantry staples, making it an easy go-to whenever a chocolate craving hits.

Ingredients You’ll Need

For the Cake

  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • ¾ cup unsweetened cocoa powder
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup unsalted butter
  • 1 cup water
  • 1 cup buttermilk
  • 2 large eggs
  • 2 teaspoons vanilla extract

For the Chocolate Icing

  • ½ cup unsalted butter
  • ½ cup milk
  • ¾ cup unsweetened cocoa powder
  • 3½ cups powdered sugar
  • 1 teaspoon vanilla extract
  • 1 cup chopped pecans

How to Make Texas Sheet Cake (Step-by-Step)

Step 1: Prep the Pan

Preheat your oven to 350°F (175°C). Grease a large rimmed sheet pan or jelly roll pan and set aside.

Step 2: Mix the Dry Ingredients

In a large bowl, whisk together the flour, granulated sugar, cocoa powder, baking soda, and salt until well combined.

Step 3: Heat the Cocoa Mixture

In a saucepan over medium heat, melt the butter with the water and cocoa powder. Stir until smooth and just beginning to simmer. Remove from heat and pour into the dry ingredients, mixing until combined.

Step 4: Finish the Batter

Stir in the buttermilk, eggs, and vanilla extract until the batter is smooth and glossy. Pour evenly into the prepared pan.

Step 5: Bake

Bake for 18–22 minutes, or until the cake is set and a toothpick inserted comes out mostly clean.

Step 6: Make the Icing

While the cake bakes, heat butter, milk, and cocoa powder in a saucepan until melted and smooth. Remove from heat and whisk in powdered sugar, vanilla, and pecans.

Step 7: Frost While Warm

Pour the warm icing over the hot cake, spreading gently. Let set before slicing.

Tips & Variations

  • Nut-Free Option: Simply omit the pecans for a smooth frosting
  • Extra Fudgy: Chill the cake before serving
  • Deeper Flavor: Use dark cocoa powder
  • Dairy-Free: Substitute plant-based butter and milk
  • Make Ahead: This cake tastes even better the next day

Serving Ideas & Storage

Serve Texas Sheet Cake on its own or with a scoop of vanilla ice cream. It pairs beautifully with coffee or milk. Store covered at room temperature for up to 2 days or refrigerate for up to 5 days.

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Easy Texas Sheet Cake with Rich Chocolate Frosting


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  • Author: Layla Bennett
  • Total Time: 35 minutes
  • Yield: 24 squares 1x
  • Diet: Vegetarian

Description

A rich, moist Texas Sheet Cake with deep cocoa flavor and warm chocolate icing finished with crunchy pecans. Perfect for potlucks, birthdays, and anytime you need an easy crowd-pleasing chocolate dessert.


Ingredients

Scale

FOR THE CAKE

2 cups all-purpose flour

2 cups granulated sugar

3/4 cup unsweetened cocoa powder

1 tsp baking soda

1/2 tsp salt

1 cup unsalted butter

1 cup water

1 cup buttermilk

2 large eggs

2 tsp vanilla extract

FOR THE CHOCOLATE ICING

1/2 cup unsalted butter

1/2 cup milk

3/4 cup unsweetened cocoa powder

3 1/2 cups powdered sugar

1 tsp vanilla extract

1 cup chopped pecans


Instructions

1. Preheat oven to 350°F (175°C). Grease a 13×18-inch rimmed sheet pan (jelly roll pan) and set aside.

2. In a large mixing bowl, whisk together flour, granulated sugar, cocoa powder, baking soda, and salt.

3. In a saucepan over medium heat, melt 1 cup butter with the water and cocoa powder, stirring until smooth and just starting to steam.

4. Pour the hot cocoa mixture into the dry ingredients and stir until combined.

5. Add buttermilk, eggs, and vanilla. Mix until the batter is smooth and glossy.

6. Pour batter into the prepared pan and spread evenly.

7. Bake 18–22 minutes, or until the center is set and a toothpick comes out with a few moist crumbs.

8. While the cake bakes, make the icing: in a saucepan, melt 1/2 cup butter with milk and cocoa powder until smooth.

9. Remove from heat. Whisk in powdered sugar and vanilla until silky, then stir in chopped pecans.

10. Pour the warm icing over the warm cake and spread gently to the edges.

11. Let the frosting set 20–30 minutes before slicing into squares and serving.

Notes

PAN SIZE: A 13×18-inch sheet pan gives the classic thin Texas sheet cake. A smaller pan will make it thicker and may need extra bake time.

BUTTERMILK SUBSTITUTE: Use 1 cup milk + 1 Tbsp lemon juice or vinegar; rest 5 minutes.

NUT-FREE OPTION: Omit pecans or replace with allergy-safe crunchy topping (or leave frosting smooth).

STORAGE: Cover and store at room temperature up to 2 days, or refrigerate up to 5 days.

MAKE-AHEAD: This cake tastes even better the next day as the frosting settles into the cake.

  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 square
  • Calories: 430
  • Sugar: 41g
  • Sodium: 210mg
  • Fat: 22g
  • Saturated Fat: 13g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 55g
  • Fiber: 3g
  • Protein: 5g
  • Cholesterol: 65mg

Nutrition Facts (Per Serving)

NutrientAmount
Calories~430
Protein5g
Carbs55g
Fat22g
Fiber3g
Sodium210mg

Final Thoughts

This Texas Sheet Cake is proof that simple ingredients can create an unforgettable dessert. Rich, chocolatey, and crowd-pleasing, it’s a timeless recipe you’ll come back to again and again.

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