Mama’s Whiskey Cake / Torta di Whisky alla Mamma | Ciao Italia

Ingredients

• CUSTARD FILLING1 cup sugar
• ¼ cup cornstarch
• 4 cups milk
• 4 large egg yolks
• 1 tablespoon vanillaCAKE1½ cups cake flour
• 1½ cups sugar
• 6 large eggs, separated, at room temperature
• ½ cup cold water
• 1 teaspoon vanilla
• ¾ teaspoon cream of tartar
• 6 tablespoons bourbon whiskeyMERINGUE TOPPING1½ teaspoons cornstarch
• ¼ cup water
• 6 large egg whites, at room temperature
• 1 tablespoon bourbon whiskey
• ½ cup sugar