Ingredients: cooking spray 3 cups unbleached all-purpose flour 1/2 cup unsweetened cocoa powder 2 1/2 teaspoons xanthan gum 2 teaspoons baking soda 1 teaspoon kosher salt 2 cups water 2 cups demerara sugar 3/4 cup vegetable oil 2 tablespoons white vinegar 2 teaspoons vanilla extrac Directions: Preheat oven to 350 degrees F (175 degrees C). Spray a 9x13-inch baking dish with cooking
