Ingredients

4 eggs, separated

100 gm caster sugar

200 gm mascarpone

½ tsp lemon juice

Preparation

Whisk yolks and sugar in an electric mixer until thick and fluffy (5-6 minutes), transfer to a large bowl, stir through mascarpone

Whisk eggwhites, lemon juice and a pinch of salt in an electric mixer until stiff peaks form (2-3 minutes). Fold in mascarpone mixture then freeze until firm (preferably overnight).