Overview: In St. Louis, Brad Miller visits the Seoul Taco truck, where Chef David Choi is serving up a unique spin on Mexican food by infusing it with the flavors of Korea. Brad samples a Gogi Bowl and the popular Korean barbecue burrito filled with marinated beef and spicy kimchi fried rice. Next, Brad travels to Portland, Ore., to meet Chef Victor Darchini at his Caspian Kabob food truck. Victor shows Brad how to make authentic Persian food, including his popular lamb and beef kabob. Brad sticks around Portland and stops at the Wild North food truck, where Chef Brandon Hughes uses his wood-fired oven to deliver the inventive Shrimp Boil Bread Bowl. For dessert, Brad satisfies his sweet tooth with the decadent Campfire S'Mores Cookies featuring toasted bourbon-vanilla marshmallows.