Ingredients
For the Cake:
13/4 cups all-purpose flour
11/2 teaspoons baking soda
1 teaspoon salt
4 ounces unsweetened chocolate, finely chopped
1/4 cup Dutch-processed cocoa powder
1/2 cup hot water
13/4 cups granulated sugar, divided
4 eggs
2 egg yolks 3/4 cup unsalted butter, cut into 12 pieces, very soft
1 cup buttermilk
2 teaspoons vanilla extract
For the Frosting:
16 ounces semisweet chocolate, finely chopped
1/2 cup unsalted butter
1/3 cup granulated sugar
2 tablespoons light corn syrup
2 teaspoons vanilla extract
¼ teaspoon salt
11/4 cups heavy cream (cold)
Preparation
