Vanilla Texas Sheet Cake is a soft, buttery sheet cake baked in a large pan and topped with a warm, pourable vanilla frosting that soaks into the top as it sets. Unlike the classic chocolate version, this one swaps cocoa for a rich vanilla flavor, making it a fantastic choice for birthdays, potlucks, or any time you need a crowd-sized dessert. The cake is incredibly moist thanks to buttermilk and a hot-butter frosting, and it comes together quickly with simple pantry staples.
Ingredients
- 2 cups (250 g) all-purpose flour
- 2 cups (400 g) granulated sugar
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup (2 sticks, 226 g) unsalted butter
- 1 cup (240 ml) water
- 1/2 cup (120 ml) buttermilk, at room temperature
- 2 large eggs, at room temperature
- 2 teaspoons vanilla extract
- For the frosting:
- 1/2 cup (1 stick, 113 g) unsalted butter
- 1/4 cup (60 ml) whole milk
- 3 cups (360 g) powdered sugar, sifted
- 1 teaspoon vanilla extract
- Pinch of salt (optional)
Instructions
- Preheat your oven to 350°F (175°C). Grease a 15x10x1-inch jelly-roll pan (or a 9×13-inch pan for a thicker cake) with butter or nonstick spray.
- In a large bowl, whisk together the flour, sugar, baking soda, and salt.
- In a small saucepan over medium heat, melt the 1 cup of butter with the water. Bring to a gentle boil, then remove from heat.
- Pour the hot butter mixture into the dry ingredients and stir until combined. The mixture will be thin.
- In a small bowl, whisk the buttermilk, eggs, and 2 teaspoons vanilla. Add to the batter and stir until smooth.
- Pour the batter into the prepared pan. Bake for 20–25 minutes, or until a toothpick inserted in the center comes out clean. The cake will be golden around the edges.
- While the cake bakes, make the frosting. In a saucepan over medium heat, melt the 1/2 cup butter with the milk. Bring to a simmer, then remove from heat.
- Whisk in the powdered sugar, 1 teaspoon vanilla, and salt (if using) until smooth. The frosting should be pourable but not too thin.
- Pour the warm frosting over the cake as soon as it comes out of the oven. Use an offset spatula to spread it evenly.
- Let the cake cool completely on a wire rack before cutting. The frosting will set into a soft, glossy shell.
Tips
- Use buttermilk for the best texture. If you don’t have it, make a quick substitute: add 1/2 tablespoon lemon juice or white vinegar to 1/2 cup milk, let sit for 5 minutes.
- Don’t overmix the batter after adding the eggs; stir just until no streaks remain. Overmixing can make the cake tough.
- Pour the frosting on while the cake is still warm (but not piping hot) so it spreads easily and soaks in slightly. If the cake is too cool, the frosting won’t spread as smoothly.
- For a cleaner cut, use a plastic knife or dip a metal knife in hot water and wipe dry before each slice.
Serving Suggestions
This cake is delicious on its own, but you can dress it up with a scoop of vanilla ice cream, a drizzle of caramel sauce, or a handful of fresh berries. It’s also great for a brunch table or as a birthday cake—just add sprinkles on top before the frosting sets.
Variations
- Almond Texas Sheet Cake: Replace the vanilla extract with 1 teaspoon almond extract and add 1/2 teaspoon almond extract to the frosting. Top with sliced almonds.
- Lemon Texas Sheet Cake: Add 1 tablespoon lemon zest to the batter and replace the vanilla in the frosting with 1 teaspoon lemon extract or 2 tablespoons lemon juice.
- Chocolate-Vanilla Swirl: Before baking, drop spoonfuls of chocolate syrup or melted chocolate onto the batter and swirl with a knife.
- Gluten-Free: Substitute the all-purpose flour with a 1:1 gluten-free baking flour blend. The texture will be slightly more crumbly but still delicious.
Storage and Reheating
Store the cake in an airtight container at room temperature for up to 3 days. The frosting stays soft, so you can layer parchment paper between slices if stacking. To freeze, wrap the unfrosted cake tightly in plastic wrap and freeze for up to 2 months. Thaw overnight in the refrigerator, then bring to room temperature before frosting. If you want to reheat a slice, microwave for 10–15 seconds until just warm—this softens the frosting nicely.
Frequently Asked Questions
Can I use a 9×13-inch pan instead of a jelly-roll pan? Yes, but the cake will be thicker, so increase the baking time to 30–35 minutes. Check for doneness with a toothpick.
Why is my frosting grainy? Grainy frosting usually happens when the powdered sugar isn’t sifted or the butter is too hot. Sift the sugar and whisk thoroughly. If it’s still grainy, strain the frosting through a fine-mesh sieve.
Can I make this cake ahead of time? Absolutely. The cake tastes even better the next day as the frosting soaks in. Store it covered at room temperature for up to 3 days.
Can I use salted butter? Yes, just omit the added salt in the batter and frosting.
How do I know when the cake is done? Insert a toothpick into the center; it should come out clean or with a few moist crumbs. The edges should be lightly golden.
Can I double the recipe? Yes, but you’ll need a larger pan (like a half-sheet pan) and may need to bake in batches. Adjust baking time accordingly.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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