Phillips 66 Partners (PSXP) only hit the street at the end of July, but it's already proven to be a favorite stock of master limited partnership investors. In this video, Fool contributor Aimee Duffy talks to Tyler Crowe about why it made her year-end list of favorite energy stocks. Aimee specifically emphasizes that there is more to this newcomer than a 30% pop at IPO, elaborating on specific metrics and management's commitment to keeping debt levels low.