Red Velvet Cake

Ingredients

• 1 tablespoon unsalted butter
• 3 1/2 cups cake flour
• 1/2 cup unsweetened cocoa not Dutch process
• 1 1/2 teaspoons salt
• 2 cups canola oil
• 2 1/4 cups granulated sugar
• 3 large eggs
• 6 tablespoons water 3 ounces red food coloring or 1 teaspoon red gel food coloring dissolved in 6 tablespoons of
• 6 tablespoons red food coloring or 1 teaspoon red gel food coloring dissolved in 6 tablespoons of water
• 1 1/2 teaspoons vanilla
• 1 1/4 cups buttermilk
• 2 teaspoons baking soda
• 2 1/2 teaspoons white vinegar .
• 8 ounces cream cheese room temperature
• 1/2 cup butter room temperature
• 3 cups confectioner's sugar sifted
• 1 teaspoon pure vanilla extract