French 75 Serves 2 2 brown sugar cubes 4 dashes orange bitters 2 ounces gin 2 lemon wedges prosecco, chilled 2 orange twists 1. Place a sugar cube in each champagne glass. Add 2 dashes of orange bitters and 1 ounce of gin per glass. 2. Squeeze juice of a lemon wedge into each glass (discard rind) and stir. 3. Fill each glass with prosecco and garnish with an orange twist.