This no-bake treat, which can be prepared ahead of time, stays firm but can be made quickly: simply whip mascarpone and heavy cream to stiff peaks, soak store-bought ladyfingers in a quick caramel, ...
Using a small knife make a well in the top of each cake by removing a disk of cake. Fill this well with whipped cream and top with a strawberry. Serve with a generous dusting of icing sugar.
Then make larger and larger circles ... s sugar to stiff peaks. Remove cake from freezer and dollop whipped cream on top. Add sliced strawberries and pretzels. Slice and serve immediately.