You can sub half and half or heavy cream instead of the coconut milk, but the heavy cream will be about 154.5 calories where as the unsweetened coconut milk will only be 8.44 . Keep in mind this is a 4.5 ounce cocktail where as some other recipes are only making a 2.5 ounce cocktail.
Keyword Chocolate, Happy Hour, Mint, skinny cocktail, St. Patrick's Day