Coffee-and-Espresso Layered Cheesecake

INGREDIENTS

• 1¾ cups graham cracker crumbs
• 3 tablespoons sugar
• ½ stick (4 tablespoons) unsalted butter
• 2 pounds (four 8-ounce boxes) cream cheese, at room temperature
• 1 1/3 cups sugar
• ½ teaspoon salt
• 4 large eggs, at room temperature
• 1 1/3 cups sour cream
• 1 teaspoon Kahlua (or other coffee liquor)
• 1 tablespoon instant espresso powder
• 1 tablespoon boiling water
• (originally used on the
• )
• 1.5 ounces bittersweet chocolate, chopped
• ¼ stick (2 tablespoons) unsalted butter
• 1/8 cup heavy cream
• ¼ teaspoon vanilla extract
• ½ tablespoon powdered sugar
• Chocolate-covered espresso beans, for garnish (optional)