MELT margarine in small skillet.
Add walnuts; cook until lightly toasted, about 3 minutes.
Stir in cheesecake crust crumbs.
Press crumb mixture onto bottom of 8-inch square pan which has been lined with foil.
MIX milk with cheesecake filling mix, syrup and cinnamon at low speed of electric mixer until well blended.
Beat at medium speed 3 minutes.
Spread over crust.
Chill until firm, at least 1 hour.
HEAT topping just before serving.
Cut cheesecake into squares.