Crust:
3 cups graham cracker crumbs (about 2 packages crushed graham crackers)
1/2 cup toffee bits (I used the kind of Heath that has some chocolate on it)
pinch salt
1/2 cup brown sugar
2 sticks butter (1 cup), melted
1 1/4 chocolate chips

Filling:
3 packages cream cheese, softened
1 cup sour cream
1 1/2 cups sugar
1 tablespoon vanilla
1/4 cup caramel topping (recipe below)
4 eggs, lightly beaten

Topping:
1 cup whipping cream
3 tablespoons powdered sugar
1/2 cup caramel
1/2 cup toffee bits, plus more for garnish (again, I used the chocolatey heath bits)

Homemade Caramel Sauce:
1/2 cups sugar
2 tablespoons light corn syrup
3 tablespoons butter
1/3 cup heavy cream