Great Canadian Baking Show This year s holiday contestants: Mahathi (S4 - 3rd place) Mengling (S2 - 4th place) Stephen (S5 - 4th place) Steve (S5 - 3rd place) signature challenge: holiday party platter with 18 apps who made what: Mahathi - potato chickpea chaat tarts, mango dosa tacos Mengling -…