How to Make It
In a medium saucepan, combine the wine, sugar, vanilla bean, peppercorns, allspice, cassia and salt. Bring to a boil over high heat and cook, stirring once or twice, until reduced to 1 cup, about 25 minutes. Remove the syrup from the heat and stir in the vanilla extract. Strain and let cool to room temperature; if the syrup is too thick, stir in a few tablespoons of cold water.
Scoop the ice cream into individual bowls and top with the peach wedges. Drizzle each dessert with a few tablespoons of wine syrup and serve.