With an electric mixer, beat cream cheese, sugar, and salt until light and fluffy, 3-4 minutes.
Beat in eggs and yolk, one at a time.
Mix in syrup, vanilla, and cream.
Stir in pumpkin.
Pour into prepared crust.
Bake for 45 minutes, or until set.
Allow to cool completely before refrigerating for 4-6 hours, or overnight.
Before serving, lift from pan and top, if desired, with Chantilly cream and caramel sauce.
Cut into 24 even squares.