Nobody knows more about flavor than professional chefs. Guest judge Robert Irvine presides over a pressure cooker of competition as three experienced chefs battle to turn raw ingredients into high-proof, culinary-class spirits.

Ever since Josh Owens' footage went viral showing a moonshiner in Brazil making liquor from sugar cane juice in just two days, Josh couldn't wait to judge a competition in which three top distillers competed to make cachaça, Brazil's national spirit.