Stir together the cream and sugar in a saucepan. Bring to a boil and cook for 2 to 3 minutes. Stir in the lemon juice.
Pour into serving glasses and refrigerate until set, about 5 hours.
To serve: Pour the remaining cream over the top and serve.
Recipe tips: Dairy products should be refrigerated within two hours of purchase. Ice cream and other frozen dairy products should be put in the freezer as soon as possible.