And now there are 6 chefs remaining. In this "all-American" episode, the Chairman's charge is RESPECT. Today's secret ingredient challenge is to show respect for the potato (the peeling of which was formerly military punishment) by creating a potato dish in 45 minutes. In the Chairman's Challenge, the chefs are asked to show respect for America by cooking 4 dishes that represent the 4 main regions on the map of the US – north, south, east and west.