Peel, quarter, core and cut the apples into pieces. Cover with cinnamon sticks, lemon peel, 4 tablespoons lemon juice, water, scraped out vanilla pulp and pod and 60 g sugar, bring to the boil and cook over medium heat for about 10 minutes.
Set aside some apple pieces, pass the rest. Mix in pieces again, if necessary sweeten and let cool.
Mix the mascarpone, yogurt, remaining lemon juice and sugar. Layer the Amarettini (preferably soft), coarsely crushed, with the apple sauce and cream in a bowl.