Photo: Paolo Lucchesi / Paolo Lucchesi / The Chronicle Related Links The Mission's Sous Beurre Kitchen is ending its tipless experiment Why Sous Beurre Kitchen is going tipless Five years ago, chef Michael Mauschbaugh began cooking on 24th Street in the Mission, dishing up Provencal-inspired dishes out of a small makeshift kitchen next to the barista station at Sugarlump Coffee Lounge. The pop-up dinners proved successful enough that he decided to pursue a brick-and-mortar location for Sous Beurre Kitchen, which opened in early 2015, just a few doors down from coffeehouse. Sadly, it appears that Mauschbaugh’s time on 24th Street has come to an end. According to a message to diners from the chef,