- 1 cup milk - 4 tablespoons cornflour/cornstarch - 5 tablespoons sugar - Juice of 5 lemons, zest of 1. Method - To make the lemon cream base, mix the lemon juice with 1 tablespoon cornstarch and 1 tablespoon sugar and wait till it thickens over heat then remove. – -Refrigerate in the serving bowl you will use for approx half an hour to hold. - Boil half the cup of milk over medium heat, and stir the corn flour in the other half outside. - Start adding the corn flour mixture to the milk over heat gradually, stirring frequently with whisk so it doesn't clump. - When it's done remove from heat and pour over cold lemon cream base and refrigerate for 2 hours before serving. Grate lemon zest on top before serving.