Everything really is bigger in Texas! This massive, chocolatey treat has been a Southern staple for many years, and the Lone Star-size cake encompasses everything we love about desserts below the Mason-Dixon. Fudgy Texas Sheet Cake is easy to whip up, feeds a crowd, calls for ingredients that are probably already in your pantry, and is absolutely delicious!
The best aspect of this dessert is, of course, the fudge icing, which has a surprising key ingredient – Dr. Pepper. This soda adds the perfect amount of tangy flavor to the scrumptious dessert, and the rich, fudgy icing should be poured on the just-out-of-the-oven Texas Sheet Cake. The result is an appetizingly warm, gooey Southern comfort dessert that will surely remind you of home. Sweet and spicy flavors combine to create the ideal Texas-claimed cake that so many Southerners hold near and dear to their hearts. Crunchy toasted pecans top off this big, fudgy, foolproof treat, and gives this iconic sheet cake the perfect finish.
To begin, preheat your oven to 350˚, and bring the soda, canola oil, and cocoa to a boil over medium-high heat while stirring often. Separately, whisk together the flour, sugar, brown sugar, and baking soda in a large bowl. This will become the base of your cake. Add the soft drink mixture to the flour mixture and whisk them together until completely blended. Next, add in buttermilk (of course!), eggs, and vanilla. Pour the batter into a lightly greased sheet pan and bake it at 350˚ for about 20 minutes or until a wooden pick inserted in the center of the Texas Sheet Cake comes out clean.
Now for the best part! To prepare the Fudge Icing, cook butter and chocolate in a saucepan over medium-low heat, whisking often, until it’s delectably melted and smooth. Once removed from the heat, whisk in milk and additional Dr. Pepper until it’s completely blended and silky-smooth. Next, gradually sift in powdered sugar and add a splash of vanilla. The key to an incredibly moist cake is to pour the Fudge Icing over the sheet cake as soon as it comes out of the oven. We hope you're hungry!