Red Velvet Cake Recipe

Name: Red Velvet Cake Recipe
Ingredients: For the Cake:; Baking spray; 4 cups plus 2 tablespoons all-purpose flour; 1/2 cup Dutch process cocoa powder, such as Vahlrona; 2 teaspoons baking powder; 1 teaspoon baking soda; 1 1/4 teaspoons salt; 16 ounces (4 sticks) unsalted butter, at room temperature; 1/4 cup vegetable oil; 2 1/4 cups packed dark brown sugar; 5 large eggs, at room temperature; 1/3 cup pureed cooked beets (see notes); 2 teaspoons almond extract; 3/4 cup buttermilk, at room temperature; 3/4 cup red wine, at room temperature; For the Icing:; 2 1/4 cups sugar; 1 tablespoon finely grated blood orange zest; 1/2 cup blood orange juice; 1/4 cup red wine; 6 tablespoons all-purpose flour; 1/4 cup cornstarch; 3/4 teaspoon salt; 2 cups milk; 1 tablespoon pure vanilla extract; 18 ounces (4 1/2 sticks) unsalted butter, cut into tablespoon-sized pieces and at room temperature