Adapted from Castles and Cooks. The Curaçao and the milk give this a kind of “Creamsicle” flavor. We omitted the coconut rum and added a touch of vanilla to up the Creamsicle-ness, but feel free to play around with it as you like.
Find it online: https://tworedbowls.com/2015/05/04/aunt-berus-blue-milk/