The coconut flavor from the rum comes through pretty subtly, but I can't say that the rum itself was overly noticeable. Mostly it adds some alcohol warmth.
I've considered experimenting with a stronger flavored spiced rum like Kraken and then adding some toasted coconut to the secondary along...
This is a sweet milk stout that I designed to make my wife happy. She's not always down for the cause and I wanted something that would make her glad that I am a home brewer.
Mission status: A complete success.
This is one that I will make again and again. I actually think this would be good...