MASTERCHEF: The judges (L-R: Gordon Ramsay, Graham Elliot and Joe Bastianich) announce the first invention test challenge on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Lee chooses his ingredients for the invention test on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Tony (L) and Sheetal (R) prepare dishes for the invention test on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: The contestants travel to Camp Pendleton for a field challenge in which they must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: The contestants travel to Camp Pendleton for a field challenge in which they must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: The contestants travel to Camp Pendleton for a field challenge in which they must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. Pictured L-R: Whitney, Judge Chef Graham Elliot, Sharone and Faruq. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Gordon Ramsay (L) and the contestants travel to Camp Pendleton for a field challenge in which they must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Gordon Ramsay (pictured) and the contestants travel to Camp Pendleton for a field challenge in which they must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: L-R: Chef Graham Elliot, Joe Bastianich and Gordon Ramsay travel to Camp Pendleton for a field challenge in which the contestants must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: L-R: Chef Graham Elliot, Joe Bastianich and Gordon Ramsay travel to Camp Pendleton for a field challenge in which the contestants must feed 400 hungry U.S. Marines on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: David prepares his mystery box dish on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Avis (R) prepares her mystery box dish on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Chef Ramsay (L) checks in on Whitney (R) as she prepares her mystery box dish on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Joe (L) and Graham (C) check in on Slim (R) as she prepares her mystery box dish on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: The judges discuss the contestants' mystery box dishes on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX

MASTERCHEF: Chef Ramsay (L) checks in on Sharone (R) as he prepares his mystery box dish on MASTERCHEF airing Wednesday, Aug. 18 (8:00-10:00 PM ET/PT) on FOX. ©2010 Fox Broadcasting Co. CR: Greg Gayne/FOX