In a small bowl, sprinkle the gelatin over the water and let soak 10 minutes (do not stir).
Meanwhile, heat the cream, sugar
, orange peel, and vanilla in a medium saucepan
over medium heat, stirring occasionally, to dissolve the sugar. As soon as it simmers, turn off the heat and add the gelatin mixture, stirring to dissolve the gelatin. (If the gelatin
doesnt completely dissolve in 3 minutes, return to the heat and warm gently until dissolved.)
the mixture into a pitcher to remove the vanilla bean
and orange rind. Pour the mixture into 6 to 8 ramekins or dessert cups, or into 1 larger dish. Chill, uncovered, at least 3 hours.
, dip the cups in hot water for 10 seconds, then turn the panna cottas out onto dessert plates (or, simply serve in the cups or by the spoonful). Shave some chocolate curls onto the top of the panna cottas and serve with the orange supremes.