Red Velvet Sheet Cake. Grease the paper and edges of the pan with nonstick cooking spray and set aside. In a medium bowl whisk together flour cocoa powder baking soda and salt.
Beat 1 12 packages. Red Velvet Texas Sheet Cake with cream cheese frosting has your favorite red velvet flavor can be made in a hurry and will feed a crowd. Spread half the batter evenly into the bottom of the prepared pan.
To start heat the oven to 350 degrees and line an 117 baking sheet with parchment paper.
Preheat oven to 350 F degrees. Red Velvet Sheet Cake. Youll need a sheet cake pan I used just a regular baking pan 18 in x 12 in which you need to spray with nonstick baking spray. Unlike traditional red velvet cakes we do not mix the vinegar and baking soda together and stir it into the already prepared batter.