Ainsley visits the Caribbean and cooks roti on the beach, fries up fishcakes and tries the hottest hot sauce available.

Ainsley travels to Iceland, and prepares langoustines in garlic butter, gravadlax and ceviche, malted bread, and cakes cooked in a geyser.

Called Japan's Kitchen, Osaka saw the invention of the motorized sushi belt and the Pot Noodle.

At the Mazu Temple market, street food shacks have formed a food village serving fragrant braised fish, chili pork stir-fry and soups.