I originally found this recipe on the back of a can of Nestles condensed milk about 30 years ago but lost it a few years back and after a google search I found it again. If you like a strong lemon flavour add the grated lemon rind. I use a deep pie plate but you could use a spring form cake tin but I think you would need to line the side. Chill time is the cooking time (30 minutes for crust and 4 hours for cheese cake to set). Once set I quite often slice the cheesecake and freeze slices in an air tight container - DH takes frozen slices in the morning for work for morning tea (about 2-3 hours later).