It’s 5 o’clock somewhere, right? This Pineapple Rum Slush recipe kicks off my Summer Happy Hour drink series. I will be posting a new drink recipe weekly throughout the summer, focusing on using fresh fruits and juices. I can’t wait to share them all with you! For now, let’s start with this silky smooth Pineapple Rum Slush. It’s sweet, refreshing, and only takes 3 ingredients to make.