Gordon's search for best British restaurant continues as two more unsung culinary heroes go head to head in the F Word restaurant.This time it's an inter-continental contest with restaurants from the Americas battling it out. Gordon, Janet Street-Porter and F Word Maitre d', Jean Baptiste, had their work cut out eating everything from salt fish to steak and burgers to burritos.But the two that stood out are Discovery Bay, a modern Caribbean restaurant from Huddersfield and Santa Maria del Sur, a traditional Argentinean steakhouse from South London.Also on this week's menu: Gordon heads to Canada to gander at snow geese - and then eat one. And Ian Wright shows how much of a jerk he is in a Caribbean chicken celebrity cook-off.