Texas Sheet Cake: The Best Moist Cake Recipe You'll Love

A rich and moist chocolate cake topped with a glossy chocolate frosting, perfect for any gathering.

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Preheat your oven to 350°F (175°C). Grease and flour a 18×13-inch sheet pan.
In a large mixing bowl, whisk together the flour, sugar, baking soda, and salt.
In a saucepan, combine the butter, water, and cocoa powder. Bring to a boil over medium heat, stirring frequently.
Pour the hot cocoa mixture into the dry ingredients and mix until combined.
Add the eggs, vanilla extract, and sour cream to the batter. Mix until smooth and well combined.
Pour the batter into the prepared sheet pan and spread evenly.
Bake in the preheated oven for 20–25 minutes, or until a toothpick inserted in the center comes out clean.
While the cake is baking, prepare the frosting. In a saucepan, melt the butter over medium heat. Stir in the cocoa powder and milk, bringing the mixture to a boil.
Remove from heat and whisk in the powdered sugar and vanilla extract until smooth and glossy. If using, stir in the chopped nuts.
Once the cake is done baking, remove it from the oven and pour the warm frosting over the hot cake, spreading it evenly.
Allow the cake to cool for a bit before slicing into squares. Serve warm or at room temperature.