Warm the cream and sugar

• Pour the cream into a saucepan with the sugar.
• Heat gently, stirring, until the sugar has fully dissolved.

Add the lemon

• Take the pan off the heat and whisk in the lemon zest and juice.
• Whisk until the mixture thickens slightly.

Chill and set

• Pour the mixture into ramekins or small glasses.
• Refrigerate until set and serve cold.