Roasted Plum & Mascarpone Parfaits

6 plums, halved, pitted and sliced into 1/2 inch thick
1/4 cup sugar
4 Tbsp water
1 1/4 cup whipping cream
1 cup Mascarpone cheese
3 Tbsp sugar
2 Tbsp water or dark rum
1 loaf of homemade or store-bought pond cake or sponge cake, cut into 1 inch slices
8 tsp Cassis

Preheat oven to 425ºF. Toss fruit with sugar. Add water. Roast fruit on rimmed parchment-lined baking sheet for 15-17 minutes. Transfer to bowl with all juices and set aside.
In a large bowl, whip cream until soft peaks form.
In a large bowl, beat cheese, sugar and water/rum. Fold in whipped cream.
To assemble; layer in a trifle bowl (or individual parfait dishes as we have used) cake, plums, Cassis, cheese whip cream
mixture. Repeat.Garnish with lemon zest.