This Texas sheet cake is the ultimate crowd-pleaser, with its rich chocolate flavor and velvety frosting. Whether you’re making it for a special occasion or just because, it’s sure to be a hit!
Preheat the oven to 350°F (175°C). Grease a 10x15-inch baking sheet.
In a large mixing bowl, whisk together the flour, sugar, salt, and baking soda.
In a medium saucepan over medium heat, combine the butter, oil, water, and cocoa powder. Stir until the butter melts and the mixture is smooth. Bring to a gentle simmer, then remove from the heat.
Pour the hot cocoa mixture into the dry ingredients and stir until just combined. Let the mixture cool 1-2 minutes while you combine the wet ingredients in the next step.
In a separate small bowl, whisk together the eggs, buttermilk, and vanilla extract. Add this to the batter and mix until smooth.
Pour the batter into the prepared pan and spread evenly.
Bake for 18-22 minutes or until a toothpick inserted in the center comes out clean.
To make the frosting:
While the cake is baking, prepare the frosting. In a medium saucepan, melt the butter over medium heat. Add the cocoa powder and milk, whisking continuously until smooth.
Remove from the heat and stir in the vanilla extract and confectioners' sugar, mixing until smooth. Fold in the chopped pecans.
Pour the warm frosting over the hot cake, spreading evenly.
Let the cake cool completely before serving
Notes
Store tightly covered at room temperature up to 3 days.