Ingredients
Chocolate cheesecake:
5 ounces bittersweet chocolate (70% cocoa), chopped
Two 8-ounce packages cream cheese
1/2 cup + 3 tablespoons granulated white sugar
2 tablespoons unsweetened cocoa powder
2 large eggs
Chocolate cake:
1 3/4 cups all-purpose flour
1 1/2 cups granulated white sugar
2/3 cup unsweetened cocoa powder
1 1/2 teaspoons baking soda
1/2 teaspoon baking powder
1/2 teaspoon salt
1 teaspoon instant espresso powder
3 large eggs, at room temperature
1 1/4 cups buttermilk, divided
3/4 cup unsalted butter, at room temperature
1 teaspoon vanilla extract
Chocolate Sour Cream Frosting:
2 cups semisweet chocolate chips
1/2 cup (1 stick) unsalted butter
1 cup sour cream
2 tablespoons light corn syrup
Preparation
