This Texas Sheet Cake is rich and delicious, perfect for Valentine's Day! Made with a blend of cocoa powder, buttermilk, and a luscious frosting, it's sure to be a hit with your loved ones.
1: Preheat the oven to 350°F and line a half-sheet pan (17” x 12”) with parchment paper and nonstick cooking spray.
2: In a medium saucepan, combine the butter, cocoa powder, and water. Heat over medium heat until boiling, whisking frequently. Remove from heat and set aside.
3: In a large mixing bowl, whisk together the flour, sugar, baking soda, and salt.
4: In a separate mixing bowl, whisk together the buttermilk, sour cream, eggs, and vanilla extract.
5: Pour the buttermilk mixture and chocolate mixture over the dry ingredients and whisk until just combined.
6: Pour the batter into the prepared pan and spread evenly. Bake for 20 to 22 minutes or until a toothpick inserted in the center comes out clean.
7: Remove from the oven and cool slightly while preparing the frosting.
8: Sift confectioners sugar into a large bowl and set aside.
9: In a large saucepan, combine milk, butter, and cocoa powder. Heat over medium-low until boiling, whisking often.
10: Remove from heat and quickly stir in sifted confectioners sugar. Pour the frosting over the warm cake and spread it quickly.
11: Allow to cool completely before serving.
