Onion Chop Challenge S01 E05

Marion Grasby (as Self - Contestant) Ben O'Donoghue (as Self - Guest) George Calombaris (as Self - Judge) Gary Mehigan (as Self - Judge) Matt Preston (as Self - Judge) Julie Goodwin (as Self - Contestant) Justine Schofield (as Self - Contestant) Poh Ling Yeow (as Self - Contestant) Maggie Beer (as Self - Guest) Adriano Zumbo (as Self - Guest) Andy Allen (as Self - Guest) Heston Blumenthal (as Self - Guest) Anthony Bourdain (as Self - Guest) Darren Purchese (as Self - Guest) Rick Stein (as Self - Guest) Curtis Stone (as Self - Guest) Matt Moran (as Self - Guest)