Discover the rich chocolate flavor of a classic Texas sheet cake. This straightforward recipe yields a moist, fudgy cake topped with a glossy chocolate icing studded with pecans — an ideal dessert for parties, potlucks, or any time you want an easy crowd-pleaser.
This Southern favorite combines simplicity with indulgence: a tender chocolate cake baked in a large sheet pan and topped while still warm with a fudgy icing that soaks in slightly for maximum flavor. The finished cake is tender, moist, and easy to slice, making it perfect when you need to feed a group.
How to make Texas sheet cake
Ingredients
For the cake:
- 1 cup butter
- 1 cup water
- 5 tablespoons unsweetened cocoa powder
- 2 cups all-purpose flour
- 2 cups granulated sugar
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 teaspoon vanilla extract
- 1/2 cup buttermilk
- 2 large eggs
For the icing:
- 1/2 cup butter
- 6 tablespoons milk
- 4 tablespoons unsweetened cocoa powder
- 1 teaspoon vanilla extract
- 4 cups powdered sugar
- 1/2 cup finely chopped pecans (optional)
Substitutes
If you don’t have buttermilk, make a quick substitute by stirring 1/2 tablespoon lemon juice or white vinegar into 1/2 cup milk and letting it sit for a few minutes. For a nut-free version, leave out the pecans. Use margarine or a dairy-free butter alternative if you need to avoid dairy, and swap in a 1:1 gluten-free flour blend to make the cake gluten-free.
Equipment
You’ll need an 18×13-inch (half-sheet) pan for the classic thin Texas sheet cake. Other useful tools include a small saucepan for melting butter and mixing cocoa, a whisk, a mixing bowl, and an electric mixer or a wooden spoon for combining the batter and icing.
Instructions
Prepare:
- Preheat the oven to 350°F (175°C). Lightly grease an 18×13-inch pan with nonstick spray or butter.
Bake the cake:
- In a small saucepan over medium heat, melt 1 cup butter. Stir in the water and cocoa powder, whisking until smooth. Bring to a gentle boil, then remove from heat and let cool for a few minutes.
- In a large bowl, whisk together the flour, sugar, baking soda, and salt. Add the vanilla, buttermilk, and eggs and beat until combined.
- Pour the warm chocolate mixture into the dry ingredients and beat until the batter is smooth and uniform.
- Spread the batter evenly in the prepared pan. Bake 20–25 minutes, or until the cake springs back lightly when touched in the center.
Make the icing and finish:
- While the cake bakes, melt 1/2 cup butter in a saucepan over medium heat. Whisk in the milk, cocoa powder, and vanilla until smooth.
- Remove from heat and stir in the powdered sugar until the icing is glossy and smooth. Fold in the chopped pecans if using.
- As soon as the cake comes out of the oven, pour the warm icing evenly over the top so it seeps into the cake. Let the cake cool before slicing.
Tips
- Measure ingredients precisely — too much flour will dry the cake.
- Pour the icing while the cake is still warm to achieve a slightly soaked, fudgy top.
- Avoid overbaking: start checking at 20 minutes and remove when the center springs back.
Recipe variations
- Nut-free: omit the pecans from the icing.
- Spicy chocolate: add a pinch of cayenne or cinnamon to the batter for subtle warmth.
- Extra fudgy: stir a handful of chocolate chips into the hot icing for richer texture.
- Gluten-free: swap in a 1:1 gluten-free flour blend.
What to serve with
- Butter pecan or vanilla ice cream
- Freshly whipped cream
- A bright citrus beverage, such as lemonade, to cut the richness
- A fruit smoothie for a lighter pairing
Frequently Asked Questions
1. Can I make Texas sheet cake ahead of time?
Yes. Bake the cake and store it covered at room temperature for up to 3 days, or refrigerate for up to a week. For best texture, bring slices to room temperature before serving.
2. How should I store leftovers?
Keep leftovers in an airtight container. If the icing contains pecans, refrigeration helps preserve their crunch, though the cake may firm slightly when chilled.
3. Can I freeze Texas sheet cake?
Yes. Wrap individual slices tightly in plastic wrap and place in a freezer-safe bag for up to three months. Thaw in the refrigerator overnight.
4. What if I don’t have an 18×13-inch pan?
A 9×13-inch pan can be used, but the cake will be thicker and may need longer baking time. Check doneness with a light touch or a toothpick in the center.
5. How can I keep the cake moist?
Accurate measurements, using the buttermilk and not overbaking are the most important steps. Pouring warm icing over the hot cake also helps lock in moisture.
Enjoy every slice of this rich, moist Texas sheet cake — it’s an easy, satisfying dessert that’s built for sharing. Happy baking!