Chocolate Cheesecake Cake

Bahan-bahan (14 porsi)

• 5 ounces bittersweet chocolate (70% cocoa), (chopped)
• Two 8-ounce packages cream cheese, (at room temperature)
• 1/2 cup + 3 tablespoons granulated white sugar
• 2 tablespoons unsweetened cocoa powder
• 2 large eggs
• 1¾ cups all purpose flour
• 1½ cups granulated white sugar
• 2/3 cup unsweetened cocoa powder
• 1½ teaspoons baking soda
• 1/2 teaspoon baking powder
• 1/2 teaspoon salt
• 1 teaspoon instant espresso powder
• 3 large eggs, (at room temperature)
• 1¼ cups buttermilk, (divided)
• 3/4 cup (1½ sticks) unsalted butter, (at room temperature)
• 1 teaspoon vanilla extract
• 2 cups semisweet chocolate chips
• 1/2 cup (1 stick) unsalted butter, (at room temperature)
• 1 cup sour cream
• 2 tablespoons light corn syrup