In a saucepan, start by putting the milk, add the pudding mix powder, the zest of 1 lemon, the sugar, add the corn starch and mix until combined.
Bring to a boil over medium-low heat and stir until it thickens.
Turn off the heat and add the lemon juice, mix well until combined.
Pour the cream into some dessert bowls, split the mixture into equal amounts.
Let it chill in the fridge for 2 to 3 hours.
Garnish with mint leaves and lemon slices.
Serve.