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 and 2/3 cup sugar until combined and fluffy. Add the eggs, milk, and vanilla to the bowl and slowly mix until fully incorporated. Pour over your warm crust,
Bake 30 minutes or until the center looks like it has set. Cool until room temperature and refrigerate for at least 2 hours if not overnight.