You can't make tres leches without milk, of course, and when it comes to fresh milk, Alton Brown looks to none other than Sally the cow. One chef had to milk Sally in order to source dairy items, as she put forth cream, condensed and evaporated milk, and traditional milk, among other liquids.

Ingredient swaps are notoriously brutal, and this one was no exception, as Alton auctioned off geoduck clams in place of fresh shellfish for clams casino. It's "not typically used in clams casino because it's a little on the chewy side," he explained.  

In a chilly timesuck, Chef Nickell was forced to harvest all of the shrimp she'd need for scampi out of a frozen block of ice. "This is so much fun. I get to take all my anger out on you with this," Chef Nickell jokingly said to her competitor who saddled her with the sabotage.

Plastic eggs turned into the all-ingredient sources for Chef Frances, who was forced to fish them out of the machine one by one in order to source everything — except the eggs — for her frittata.