This baked cheesecake is delicious with a jam topping of your choice.
Preheat the oven to 350 degrees F.
Mix together the graham wafer crumbs, sugar and melted butter.
press the mixture evenly on the bottom and sides of a 9-inch spring for pan.
Beat the egg whites to form stiff but moist peaks.
Gradually beat in the 1/4 cup sugar and beat until stiff and shiny.
In a new bowl, put the cream cheese and beat until softened. Beat in the 5 egg yolks, one at a time.
Gradually beat in, in the following order:
The remaining 2/3 cups sugar
The lemon juice
The sour cream.
When all mixed together, fold in the egg white mixture
Pour into the prepared graham wafer crust pan.
Bake for 1 1/4 hours, or until almost set. Cool before adding the topping.
Warm the jam a little to make spreading easier. Just put your jam into saucepan and heat a little, then spread onto the cheesecake.