01 -
Line a 9x9-inch square pan with parchment paper. Melt butter in a large saucepan over low heat. Add marshmallows and stir until completely melted and well-blended. Cook for two minutes, stirring constantly, then remove from heat. Add cereal and stir until fully coated. Pour the mixture into the prepared pan, spreading it evenly and packing it firmly with a spatula or hands. Let the base fully cool before adding the cheesecake.
02 -
In a mixing bowl, beat together the cream cheese and lemon juice until soft. Using an electric mixer, beat in the heavy whipping cream until thick. Add the sugar and continue beating until stiff peaks form. Add green food colouring until the desired colour is achieved.
03 -
Evenly pour the cheesecake mixture over the cooled cereal base. Freeze for 4 hours or ideally overnight.
04 -
Using the remaining cereal, separate marshmallows from the cereal. Just before serving, sprinkle the marshmallows and any additional sprinkles on top of the cheesecake. Cut into squares and serve.