On the third leg of their trip Dave and Si are on the trail of Oklahoma's famous beef. In Oklahoma City a classic T Bone steak is followed by a visit to the city's Vietnamese community to knock up Vietnam's beefy national dish - Pho.
After checking out El Reno's unique onion burger the Bikers hook up with a couple of fire crews who like to cook - especially brisket.
An organic sweet potato farm inspires the Bikers to make sweet potato brownies, before they finish this stretch on a cattle ranch with America's most iconic custodian of the land - the cowboy.
