Kahlua Toffee Cheesecake with Turbinado Caramel Ingredients 1½ c graham cracker crumbs 6 T unsalted butter, melted ¼ c firmly packed light brown sugar 2 (8 oz) pkgs cream cheese 1 c sugar 8 oz sour cream 2 large eggs 3 egg yolks ½ t pure vanilla extract ¼ c Kahlua coffee-flavored liqueur 6 oz