For the Soaking Syrup: Bring the sugar, water, and orange and lemon zest to a boil to dissolve the sugar. Add Lillet Blanc to taste. Reserve warm if using immediately; otherwise it can be kept at room temperature in an airtight container.
For the Poached Black Currants: Bring the water, sugar, zest, cinnamon, and cloves to a boil. Reduce the heat