Their signature dishes include Beet Carpaccio with a Mȃche Salad, Coffee-Crusted Filet Mignon and Pan-Seared Scottish Salmon – and they’re just kids! MASTERCHEF JUNIOR, last season’s No. 1 new unscripted series, is back, and the kids are more skilled than ever. Season Two of the hit cooking competition series returns on Tuesday, Nov. 4 (8:00-9:00 PM ET/PT) on FOX. H…