Double Chocolate Layer Cake | Community Recipes | Nigella's Recipes | Nigella Lawson

Ingredients

• 3 ounces semi-sweet chocolate
• 1½ cups coffee (hot)
• 3 cups sugar
• 2½ cups all-purpose flour
• 1½ cups unsweetened cocoa powder
• 2 teaspoons baking soda
• ¾ teaspoon baking powder
• 1¼ teaspoons salt
• 3 large eggs
• ¾ cup vegetable oil
• 1½ cups buttermilk
• ¾ teaspoon vanilla
• ½ semi-sweet chocolate
• 250 heavy cream
• 2 tablespoons sugar
• 2 tablespoons light corn syrup
• 63 unsalted butter