In a heavy sauce-pan, simmer together heavy cream and grated zest. Simmer for 5 minutes and remove from heat. Let sit (covered) for 10 minutes.
In the top of a double broiler, combine 10 ounces white chocolate, salt, and butter. Uncover heavy cream and strain into other ingredients.
Turn on heat and melt ingredients together until smooth. Remove from heat, stir in orange juice, and let chill (covered) for at least 6 hours.
Remove from refrigerator and roll into balls. Return to refrigerator while melting additional white chocolate until smooth.
Place rolled balls into white chocolate and place on wax paper to cool.
Sprinkle with sweetened coconut. Enjoy!