The Most Amazing Red Velvet Cake

Ingredients

• 1 cup butter
• 1 teaspoon vanilla extract
• 1½ cups buttermilk
• 1½ teaspoons baking powder
• 1½ teaspoons salt
• 1 teaspoon distilled white vinegar
• 3 cups granulated sugar
• 4 cups powdered sugar
• 4 large eggs
• 1/2 cup cornstarch
• ½ cup vegetable oil
• 1/2 cup unsweetened cocoa powder
• 1 1/4 cups warm water
• 1 tablespoon baking soda
• 3 cups all-purpose flour
• 2 tablespoons red food coloring
• 16 ounces cream cheese