Biscotti biscuit puddings with coffee cream sauce

Name: Biscotti biscuit puddings with coffee cream sauce
Prep time: 10 min
Cook time: 1 h
Total time: 1 h
Yield: 8 portions
Ingredients: 150 g caster sugar; 4 egg whites; 1 tsp lemon juice; 150 g biscotti biscuits; 30 g Amaretti biscuits; 120 g unsalted butter; 2 egg yolks; 200 g pouring (whipping) cream; 20 g gluten free cornflour; 40 g brewed coffee