Dajaj bi-Zeitoon (Chicken and Olives)

Makes 18 – 20 qt. Ingredients 18# Bone-In Chicken Thighs 12 Cinnamon Sticks 12 Bay Leaves 12 C. Frozen, Diced Onions 2 TBSP. Ground Cardamom 4 TBSP. Ground Allspice 1 C. + 6 TBSP. Minced Garlic 4 qt. Chicken Stock (can be made from Chicken Base) 1 C. Canola Oil 1 1/2 C. Tapioca Flour…