Soak Grilling plank in hot water for at least 15 minutes.
Combine seasonings for rub and add juice of half a blood orange. Cut the remaining blood oranges into slices.
Gently coat the Mahi Mahi filets with olive oil. Place Mahi Mahi and blood orange slices on plank and add to grill. Cook for 10-12 minutes, or until done.
In the meantime, combine ingredients for citrus salsa.
Keep a spray bottle of water handy, in case of flare-ups.
Top with citrus salsa and serve.
Enjoy!