01 -
Trim the ends of each blood orange and slice crosswise into 6 mm rounds. Remove and discard any seeds.
02 -
Combine water and granulated sugar in a saucepan. Bring mixture to a boil, stirring until sugar fully dissolves.
03 -
Arrange orange slices in a single layer in the simmering syrup. Reduce heat and gently simmer uncovered for 60 minutes, until slices are nearly translucent and syrup is deeply colored.
04 -
Using a slotted spoon or tongs, carefully transfer candied orange slices to a cooling rack set over a baking tray to catch syrup drips. Allow slices to air-dry uncovered for 24 hours until mostly dry and minimally tacky.
05 -
Line a platter or small baking sheet with parchment paper. Set aside.
06 -
Place chopped chocolate in a heatproof bowl set over a pot of gently simmering water without letting the bowl touch the water. Stir until chocolate is melted and smooth, then remove from heat.
07 -
Dip the dried orange slices halfway into the melted chocolate, shaking off excess. Arrange dipped slices on prepared parchment. Immediately sprinkle with flaky sea salt as desired.
08 -
Transfer the dipped slices to the refrigerator for 10–15 minutes until chocolate is fully set before serving.