Mix together cream, condensed milk and finely grated lemon rind. Slowly beat in lemon juice. Pour mixture into crust and chill overnight. Just before serving, decorate the flan with a whirl of cream and the lemon slices.
Nutritional Information:
108 Calories (kcal); 11g Total Fat; (83% calories from fat); 1g Protein; 4g Carbohydrate; 41mg Cholesterol; 12mg Sodium