Silver Cake with Pink Frosting | Guest Recipes | Nigella's Recipes | Nigella Lawson

Ingredients

• 2¼ cups cake flour (sifted) - and see note below
• 2 teaspoons baking powder
• ½ teaspoon baking soda
• 1 teaspoon table salt
• ½ cup vegetable shortening (such as Crisco)
• ¼ cup unsalted butter (at room temperature)
• 2 teaspoons pure vanilla extract
• 1½ cups granulated sugar
• 1 cup ice water
• 4 egg whites (stiffly beaten)
• 1½ cups unsalted butter (at room temperature)
• ½ teaspoon table salt
• 6 cups confectioners' sugar (sifted)
• ⅔ cup whole milk
• 4 teaspoons pure vanilla extract
• red food colouring (optional - but so pretty)
• pink sanding sugar