My friend Ash, a food blogger in her own right, heard about Pig and Khao (get it? cow?) from her sister, who must have a Google alert for the words “pig face salad” to have found out about this place so fast. We detoured from our already-scheduled dinner in Ktown last night and headed to the Lower East Side instead to catch this Filipino/Thai collaboration between former “Top Chef” contestant Leah Cohen and the Fatty Crew (of Fatty Crab and Fatty ‘Cue) on its second night in business. Cutest pig butt ever, am I right? The promise of bottomless tap beer in the garden was tempting, but I couldn’t resist…