Bakers must use seaweed and sea salt in their cupcakes.

An early twist leaves the teams scrambling in Southern California.

The remaining six teams weather a snow storm in Santa Fe, New Mexico.

The remaining five trucks arrive in Fort Worth, Texas.

Tyler finds duck confit tacos and poutine burgers in chilly Wolfeboro, NH.

Tyler Florence checks out local fare in Portsmouth, New Hampshire.

Tyler Florence checks out the local eats in snowy Vermont.

In Rhode Island, Tyler Florence samples lobster rolls and spicy tacos.

Tyler Florence gets pupusas, pizza, and omelet sandwiches in Los Angeles.

Tyler is in San Diego and tries East African and Turkish street food.

Tyler embraces the Palm Springs food scene, complete with killer views.

Tyler spends his day off in Las Vegas sampling dishes like tuna tartare.

Tyler fills his day in Santa Barbara, CA, with coffee, pizza and rare beef.

Tyler ends the season with good friends and amazing food in Los Angeles.

Seven food truck teams begin the competition overlooking Anchorage.

The chefs make spaghetti and meatballs with "Out of Stock" ingredients.