Chocolate lovers get excited, because I am sharing my secrets for the absolute best Texas sheet cake! With just 15 minutes of prep, you'll have a perfectly moist chocolate cake with irresistible chocolate frosting that is perfect for large gatherings.
Prep Time15 minutesmins
Cook Time22 minutesmins
Cooling Time15 minutesmins
Course: Dessert
Cuisine: American
Keyword: texas sheet cake
Servings: 16
Author: Beth
Ingredients
Cake
1cupwater
1cupvegetable oil
¾cupnatural unsweetened cocoa powder63 grams
2cupsall-purpose flour240 grams
2cupsgranulated sugar
1tspbaking soda
1tspsalt
½cupsour cream
2largeeggs
1tspvanilla extract
Frosting
⅓cupmilk
5tbspnatural unsweetened cocoa powder
½cupunsalted butter1 stick
3cupspowdered sugar341 grams
2tspvanilla extract
½tspsalt
Instructions
Cake
Preheat the oven to 350ºF. Grease a half sheet pan (18x13) liberally with butter or vegetable shortening. This cake does tend to stick more, so shortening is best.
In a medium saucepan over medium heat, heat the water, vegetable oil and cocoa powder until boiling. Stir to dissolve the cocoa powder. When it begins to boil, remove from the heat and allow it to cool while you prep the dry ingredients.
In a medium mixing bowl, combine the flour, granulated sugar, baking soda, and salt.
Gently pour the hot mixture into the dry ingredients, mixing with an electric mixer on low speed until combined.
Add in the sour cream, eggs and vanilla extract, mix again until combined.
Pour the batter into the pan and bake for 15-22 minutes or until a toothpick inserted in the center comes out clean. Make the frosting 5 minutes before the cake is done.
Frosting
In a medium saucepan over low heat, heat the milk, cocoa powder, and butter until it just begins to boil. Remove it from the heat and stir in the powdered sugar, vanilla extract, and salt. Use a whisk to break up the powdered sugar clumps.
Pour the frosting over the warm cake. Allow the frosting to set completely for slicing and serving.
Notes
Don’t use a jelly roll pan (10×15 inches). There is too much batter to fit that size!