Celebrity chef J. Kenji Lopez-Alt overlooks the kitchen in 920 High St. apartment 3 as roommates Phukao Prommolmard `24.5, Sam Sirna `25 and Andrew Lim `25 prepare their weekly “family” dinner. “He’s the patron saint of this house,” said Sirna. Though none of the roommates started cooking seriously until a year or two ago, they...