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Texas Sheet Cake with Cocoa Frosting Recipe

If you’re craving a chocolaty, melt-in-your-mouth dessert that’s as easy as it is delicious, you’ve come to the right place. This Texas Sheet Cake with Cocoa Frosting Recipe is a family favorite in my kitchen—it’s buttery, rich, and has that perfect fudgy frosting that’s simply irresistible. Trust me, once you try it, it’ll become your go-to for potlucks, birthday parties, or “just because” moments. Grab your apron—we’re about to make some magic happen!

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Why This Recipe Works

  • Simple Ingredients: Uses pantry staples with no fancy add-ons, so it’s easy and budget-friendly.
  • One-Pan Wonder: The cake bakes all at once in a jelly roll pan, making prep and cleanup a breeze.
  • Moist & Velvety Texture: Ingredients like butter, buttermilk, and eggs create a tender crumb that’s never dry.
  • Cocoa Frosting Finish: The warm, fudgy frosting melts right into the cake for an indulgent, glaze-like top layer.

Ingredients & Why They Work

This Texas Sheet Cake with Cocoa Frosting Recipe balances classic baking basics with a few special touches that give it that iconic rich taste. Each ingredient plays a role in not only flavor but texture, so take a quick peek at why each one matters before you start mixing.

Texas Sheet Cake with Cocoa Frosting, easy chocolate sheet cake, fudgy frosting dessert, family favorite chocolate cake, one-pan chocolate cake - Flat lay of a small mound of all-purpose flour, a small heap of granulated sugar, a teaspoon of baking soda granules, a pinch of salt crystals, a small white bowl of buttermilk, two large whole brown eggs with clean shells, a small white bowl of vanilla extract, two sticks of unsalted butter stacked side by side, four tablespoons of rich dark cocoa powder neatly spread, a small white bowl of water, a small white bowl of confectioners sugar, all arranged with perfect symmetry in simple white ceramic bowls and plates, placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997
  • All-purpose flour: The backbone of the cake, providing structure without overwhelming heaviness.
  • Sugar: Sweetens the cake and helps keep it moist and tender throughout baking.
  • Baking soda: Gives just enough rise to keep the cake fluffy but dense in a good way.
  • Salt: Enhances the depth of flavors and balances sweetness perfectly.
  • Buttermilk: Adds tang and reacts with baking soda to create lift, plus keeps the crumb moist and soft.
  • Eggs: Bind everything together; they’re essential for structure and richness.
  • Vanilla extract: Magic in a bottle—delivers warmth and rounds out chocolate notes.
  • Butter: For that luscious, creamy texture and buttery flavor the cake is famous for.
  • Cocoa powder: Deep, intense chocolate flavor without any added sweetness.
  • Water: Helps dissolve cocoa and butter for that smooth, melt-in-your-mouth quality.
  • Confectioners sugar (for frosting): Creates that silky, sweet frosting that glazes perfectly over the warm cake.
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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Tweak to Your Taste

One of the things I love about this Texas Sheet Cake with Cocoa Frosting Recipe is how easy it is to personalize. Whether you’re a fan of extra chocolate, want it a bit less sweet, or need to swap out an ingredient, there’s room to make this recipe your own.

  • Nutty Twist: I often sprinkle chopped pecans or walnuts on top right after pouring the frosting; it adds a lovely crunch and Texas authenticity!
  • Dairy-Free Version: You can swap buttermilk for almond milk mixed with lemon juice and use dairy-free butter alternatives, and it’ll still come out amazing.
  • Extra Fudgy: Stir in a handful of mini chocolate chips into the batter before baking for pockets of molten chocolate.
  • Less Sweet: Cut down the sugar in the cake by about ¼ cup if you prefer a less sweet treat, but keep the confectioners sugar in the frosting balanced.

Step-by-Step: How I Make Texas Sheet Cake with Cocoa Frosting Recipe

Step 1: Prep Your Pan and Preheat

I always start by preheating the oven to 350°F and greasing a jelly roll pan with non-stick cooking spray. This is super important because you want the cake to come out cleanly once it’s baked. No one likes a crumbly mess stuck to the pan!

Step 2: Mix Dry Ingredients

In a large mixing bowl, whisk together the flour, sugar, baking soda, and salt. Getting those dry ingredients well combined upfront means your batter will be smooth and consistent.

Step 3: Combine Wet Ingredients

In a smaller bowl, stir together the buttermilk, eggs, and vanilla. This simple mix adds richness and moisture to your cake.

Step 4: Boil Cocoa Mixture

Here’s the fun part: in a saucepan over medium heat, melt the butter, then add cocoa powder and water. Bring this to a boil while stirring constantly—it only takes a couple of minutes. This step really unlocks that classic deep chocolate flavor that defines the cake.

Step 5: Combine and Bake

Immediately pour the hot cocoa mixture into your dry ingredient bowl and stir quickly to combine. Then add the wet buttermilk mixture and mix everything well—it should be smooth and glossy. Pour the batter into your prepared pan, spreading it evenly. Bake for 15-20 minutes or until a toothpick inserted in the center comes out clean. That’s your cue it’s ready!

Step 6: Make the Frosting

While the cake cools on a wire rack, melt the butter, cocoa, and buttermilk in a saucepan over medium heat. Bring it to a boil while stirring, then remove from heat and quickly whisk in the powdered sugar and vanilla. This frosting is best when you pour it warm over the cake, so it soaks in beautifully.

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Pro Tips for Making Texas Sheet Cake with Cocoa Frosting Recipe

  • Warm Frosting Pour: Pour your frosting over the cake while it’s still warm—that’s the secret to that glaze-like, fudgy finish everyone loves.
  • Use Real Cocoa: Don’t skimp on the cocoa powder quality—it makes a huge difference in the depth of chocolate flavor.
  • Don’t Overbake: Keep an eye on the cake at the 15-minute mark; overbaking dries this tender treat quickly.
  • Mix Quickly: Once you add the cocoa mixture to the dry ingredients, stir quickly to ensure everything blends evenly before it starts to set.

How to Serve Texas Sheet Cake with Cocoa Frosting Recipe

Texas Sheet Cake with Cocoa Frosting, easy chocolate sheet cake, fudgy frosting dessert, family favorite chocolate cake, one-pan chocolate cake - A close-up of a chocolate sheet cake with two layers, the bottom layer is a soft, dark brown cake with a slightly crumbly texture, and the top layer is a shiny, smooth chocolate glaze covering the entire surface. The cake is cut into squares, and one piece is missing, revealing the inside texture. The cake is inside a white baking pan set on a white marbled surface, with parts of a woman's hand visible holding the pan. In the background, there is a soft blur of stacked white plates. photo taken with an iphone --ar 2:3 --v 7

Garnishes

I love topping my Texas Sheet Cake with chopped toasted pecans—it adds such a satisfying crunch and a southern touch. Sometimes I throw on a few flaky sea salt sprinkles for a subtle contrast, which really elevates the chocolate flavor. Fresh berries on the side also make a pretty and fresh garnish.

Side Dishes

This cake pairs wonderfully with a scoop of vanilla bean ice cream or a dollop of freshly whipped cream to balance the richness. For a fun twist, I’ve also served it alongside coffee or a spicy chai latte—perfect for cozy gatherings.

Creative Ways to Present

For birthdays or celebrations, I’ve decorated the cake with a drizzle of melted white chocolate or added colorful sprinkles right after frosting. If you want to go rustic-chic, a dusting of cocoa powder and some edible flowers make this humble sheet cake look fancy in no time.

Make Ahead and Storage

Storing Leftovers

Leftover Texas Sheet Cake with Cocoa Frosting keeps beautifully in an airtight container at room temperature for up to 3 days, or refrigerated for up to a week. I usually cover mine lightly with foil to keep that frosting from drying out.

Freezing

I’ve had success freezing this cake whole with the frosting on—it’s best to wrap it tightly in plastic and foil to prevent freezer burn. When you’re ready, thaw overnight in the fridge. Texture and flavor stay surprisingly fresh!

Reheating

To bring back that fresh-baked feel, I warm slices in the microwave for about 15 seconds. It softens the cake and slightly melts the frosting, creating a little slice of heaven—all without baking it again.

FAQs

  1. Can I use regular milk instead of buttermilk in this Texas Sheet Cake with Cocoa Frosting Recipe?

    Yes! If you don’t have buttermilk on hand, you can make a quick substitute by adding 1 tablespoon of lemon juice or white vinegar to 1 cup of milk and letting it sit for 5-10 minutes before using. This mimics the acidity of buttermilk and ensures the cake still rises and stays tender.

  2. Is this Texas Sheet Cake gluten-free?

    This recipe uses all-purpose flour, so it’s not gluten-free as written. However, you can try substituting a gluten-free all-purpose blend designed for baking, but results may vary—some blends work better than others, so testing is key.

  3. Why does the frosting need to be poured warm?

    Pouring the frosting while warm allows it to spread easily and soak slightly into the cake, creating that signature luscious, fudge-like glaze. If the frosting cools too much before spreading, it becomes thick and harder to spread evenly.

  4. Can I double this recipe?

    Absolutely! Just be sure to use a larger baking pan or two pans because doubling the batter in a small pan will affect cooking time and cake thickness. Look for a 9×13 inch pan or larger, and watch the baking time carefully.

Final Thoughts

This Texas Sheet Cake with Cocoa Frosting Recipe holds a special place in my heart because it’s simple, comforting, and always impresses without fuss. Whether you’re a seasoned baker or just starting out, you’ll find it’s forgiving and downright delicious. Give it a try—you might just find yourself baking it again and again, sharing this sweet piece of Texas tradition with your own loved ones.

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Texas Sheet Cake with Cocoa Frosting Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.6 from 22 reviews
  • Author: Madison
  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Total Time: 35 minutes
  • Yield: 24 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

This Best Texas Sheet Cake recipe is a classic, rich, and moist chocolate cake with a smooth, fudgy frosting. Perfect for gatherings, this easy-to-make sheet cake combines cocoa and buttermilk for intense chocolate flavor and a tender crumb. The cake is baked in a jelly roll pan for quick cooking and topped with a luscious chocolate frosting that melts into the warm cake for an irresistible finish.


Ingredients

Cake

  • 2 cups all-purpose flour
  • 2 cups sugar
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • ½ cup buttermilk
  • 2 large eggs
  • 1 teaspoon vanilla
  • 2 sticks unsalted butter
  • 4 tablespoons cocoa powder
  • 1 cup water

Frosting

  • ½ cup (1 stick) butter
  • 6 tablespoons buttermilk
  • 1 pound confectioners sugar
  • 4 tablespoons cocoa powder
  • 1 teaspoon vanilla


Instructions

  1. Preheat and prepare pan: Preheat your oven to 350°F. Spray a jelly roll pan lightly with non-stick cooking spray to prevent sticking.
  2. Mix dry ingredients: In a large mixing bowl, whisk together the all-purpose flour, sugar, baking soda, and salt until well combined. Set aside.
  3. Mix wet ingredients: In a separate small bowl, combine the buttermilk, eggs, and vanilla extract. Whisk gently and set aside.
  4. Make chocolate butter mixture: In a medium saucepan over medium heat, melt the butter, cocoa powder, and water together. Stir frequently and bring the mixture to a boil.
  5. Combine mixtures: Pour the hot chocolate butter mixture into the bowl of dry ingredients. Stir quickly to combine, then immediately add the wet buttermilk-egg mixture and mix until smooth and fully incorporated.
  6. Bake the cake: Pour the batter evenly into the prepared jelly roll pan. Bake in the preheated oven for 20 minutes or until a toothpick inserted into the center comes out clean.
  7. Cool the cake: Remove the cake from the oven and transfer to a wire rack to cool slightly while you prepare the frosting.
  8. Prepare frosting: In a saucepan over medium heat, melt the butter, cocoa powder, and buttermilk together, stirring constantly. Bring the mixture to a gentle boil.
  9. Add sugar and vanilla: Remove the saucepan from heat and whisk in the confectioners sugar and vanilla extract until smooth and glossy.
  10. Frost cake: Pour the warm frosting evenly over the slightly warm cake, spreading if needed so it covers the surface completely.
  11. Set and serve: Let the frosting cool and set before cutting the cake into squares and serving.

Notes

  • Use room temperature eggs for best mixing results.
  • To make the cake nut-free, omit any optional nuts or toppings sometimes added in variations.
  • Make sure not to overbake to keep the cake moist and tender.
  • The frosting is best poured over warm cake so it soaks in perfectly.
  • Substitute regular milk for buttermilk by adding 1 tablespoon vinegar or lemon juice per ½ cup milk and letting it sit for 5 minutes.
  • Store leftovers in an airtight container at room temperature for up to 3 days.
  • The cake can also be baked in a 9×13 inch pan but adjust baking time up to 25-30 minutes.

Nutrition

  • Serving Size: 1 slice
  • Calories: 320 kcal
  • Sugar: 40 g
  • Sodium: 180 mg
  • Fat: 15 g
  • Saturated Fat: 9 g
  • Unsaturated Fat: 5 g
  • Trans Fat: 0 g
  • Carbohydrates: 45 g
  • Fiber: 3 g
  • Protein: 4 g
  • Cholesterol: 55 mg

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