How To Make German Chocolate Sheet Cake
Preheat oven to 400 degrees F and grease a sheet pan.
In a large bowl, mix together the flour, sugar, and cocoa powder.
In a small saucepan, add the water, butter, shortening, and chocolate. Bring to a boil over medium heat. Once the mixture is smooth and fully combined, add it to the dry ingredients and whisk to combine.
Stirring between each addition, first add the buttermilk, baking soda, salt, eggs, and then vanilla.
Transfer batter to the prepared sheet pan and bake for 20-22 minutes. Let cool before frosting.
FROSTING
