1. .In medium pot, combine potatoes with enough cold water to cover. Bring to boil over high heat. Reduce heat to medium. Cook until knife easily pierces potatoes (12-15 minutes).
2. Drain potatoes well. Return to pot over medium-low heat. Add cream of coconut. Mash until liquid is absorbed and potatoes are mashed but still slightly chunky.
3. Remove from heat. Stir in scallion, salt, pepper and lime zest until combined. Transfer to serving bowl.
4. Garnish with coconut flakes and lime slices.