Jon Favreau has built a career out of curiosity, and that’s exactly what makes his new Netflix series The Chef Show so compelling. His work directing films as varied as Elf, Iron Man, and The Jungle Book transcends the efforts of your typical “journeyman” director precisely because you can feel Favreau’s genuine interest in making the kind of film at hand, regardless of whether he’s ever made a film like that previously. The filmmaker’s 2014 indie Chef, which he wrote and directed, came on the heels of the blockbuster disappointment Cowboys & Aliens and was a …