Shawarma Chicken Bowl with Roasted Cauliflower

Boneless chicken thighs, homemade shawarma spice (clove, coriander, cumin, cardamon, cayenne, paprika, salt and pepper), lemon juice, olive oil, greek yogurt, vermicelli rice, sliced lettuce, tomatoes, cauliflower, homemade hummus (chickpea, tahini, lemon juice, olive oil, parsley).