You pretty much follow this recipe. After your fermentation is done transfer to secondary add 2 lbs of toasted coconut that have been soaking in coconut vodka for a week.
I did a 5 gallon batch with 2 lbs of sweetened chips soaked in coconut vodka. Oh and i added maltodextrine during the boil. It was awesome. I got another batch going right now. Going to skip the malto and use unsweetened coconut.
https://www.homebrewtalk.com/showthread.php?t=141088
I brewed this add toasted sweetened coconuts that have been soaking in coconut vodka for a week to the secondary. Its pretty close to the death by coconut.