For the Crust:
1½ cups graham cracker crumbs (from about 8 whole graham crackers)
5 tablespoons unsalted butter, melted
For the Cookie Dough:
5 tablespoons butter, melted and cooled
1/3 cup light brown sugar
¼ cup all-purpose flour
½ teaspoon vanilla extract
¾ cup semisweet chocolate chips
For the Cheesecake Filling:
16 ounces cream cheese, at room temperature
1/2 cup granulated sugar
2 eggs
1 1/2 teaspoon vanilla extract
2 Tb heavy cream (or sour cream for a denser cheesecake)
For the Chocolate Drizzle:
1/3 cup semisweet chocolate chips
1 teaspoon vegetable shortening