In the QuickFire Challenge, the chefs fly blind and pick ingredients without knowing that they will be using them to makeโฆ.ice cream! Later, in the Elimination Challenge, the All-Stars go deep underground to serve decadent late night eats to a crowd of 100 on the platform of Torontoโs Lower Bay subway station. Guest Judge Chef Grant van Gameren is on hand to determine whoโs aboard and who will get left behind.