Name: Red Velvet Cake
Prep time: 30 min
Cook time: 40 min
Yield: 12
Cuisine: American
Ingredients: 845g plain flour; 3 tablespoons Dutch processed cocoa powder; 1 1/2 tsp baking soda; 165g unsalted butter, at room temperature; 500g granulated sugar; 180ml vegetable oil; 3 large eggs, at room temperature; 1 1/2 teaspoons pure vanilla essence; 1 1/2 teaspoons red wine vinegar; 1 tablespoon red food colouring; 340ml buttermilk, at room temperature; Frosting, recipe follows; For the frosting; 110ml heavy cream; 225ml whole milk; 1/2 vanilla bean, split and seeds scraped; 7 tablespoons plain flour; 330g unsalted butter, at room temperature; 340g superfine sugar