Preheat your oven to 375 degrees. Mist a 9×9 square pan non-stick spray. Set aside.

Stir the butter, graham crackers, flour, and 2 tablespoons of sugar together with a fork. Press into the bottom of you prepared pan. Bake for 8 minutes or until light brown.

Cream together the cream cheese, 2/3 cup sugar, eggs, milk, and vanilla in the bowl of an electric mixer. Pour over your warm crust,

Bake 20 minutes or until the center looks like it has set. Cool until room temperature and refrigerate for at least 2 hours if not overnight.

Combine the brown sugar, half-and-half, and butter in a sauce pan. Cook on medium low heat, whisking the entire time, for 6 minutes or until it slightly thickens. Stir in the vanilla and salt.

Turn off the heat and let it cool slightly. Drizzle over your cooled bars and serve.