Which of these actions (or combination of actions) would be considered enough involvement? The article says
lighting the boiler is a solution for Ashkenazim, who follow the Ramah’s position that lighting the fire fulfills the bishul Yisroel criteria.7 Sephardim, who follow the opinion of Maron Beit Yosef,8 require that a Yehudi actually place the rice in the cooker before lighting the fire at the beginning of the process.