Preheat oven to 325°F (165°C). Mix graham cracker crumbs, sugar, and melted butter in a medium bowl.
Press into the bottom of a 9-inch springform pan and bake for 10 minutes. Let cool completely.
Beat cream cheese and sugar until smooth and fluffy. Mix in vanilla. Add eggs one at a time, beating well after each. Blend in sour cream and heavy cream until smooth.
Pour the filling over the cooled crust and smooth the top with a spatula.
Cream butter, brown sugar, and granulated sugar until light and fluffy. Mix in vanilla.
Add flour and salt gradually until a soft dough forms. Fold in mini chocolate chips.
Drop spoonfuls of cookie dough over the filling. Press gently so they’re just under the surface.
Bake at 325°F for 55–60 minutes. The edges should be set, and the center slightly jiggly.
Cool at room temperature for 1 hour. Refrigerate for at least 4 hours or overnight. Sprinkle extra mini chocolate chips on top. Slice and serve chilled.